Online calculator. Now, if you are still hungry, take a look at the sector area calculator to calculate the area of each pizza slice! If the angle is θ, then this is θ/2π the fraction of the full angle for a circle. r = (c² / 8h) + (h / 2) In words: c squared divided by 8h plus (h divide… As, the area of a circle=r2and the angle of a full circle = 360° Thus, the formula of the area of a sector will be: AreaofSectorAreaofCircle=CentralAngle360° AreaofSectorπr2=0360° Area of Sector=0360°∗πr2 r = radius of the circle This formula supports us to find anyone of the values if the other two values are given. For a sector the area is represented by some other angle. (In this case, I won't need to use a conversion factor, because I can use the radian form for "two-thirds of a circle". Where does the central angle formula come from? The simplicity of the central angle formula originates from the definition of a radian. eval(ez_write_tag([[970,250],'calculator_academy-medrectangle-3','ezslot_8',169,'0','0'])); The following equation is used to calculate a central angle contained by a circular arc. (Take π = 3.142). Next, take the radius, or length of one of the lines, square it, and multiply it by 3.14. So the area of the sector is this fraction multiplied by the total area of the circle. Here central angle (θ) = 60° and radius (r) = 42 cm ... Matrix Calculators. These unique features make Virtual Nerd a viable alternative to private tutoring. You can imagine the central angle being at the tip of a pizza slice in a large circular pizza. Inputs: sector area (K) radius (r) Conversions: sector area (K) = 0 = 0. radius (r) = 0 = 0. Enter radius, height and angle and choose the number of decimal places. You can also download the result in PDF filetype. A problem not dealt with by this calculator is where the length of the chord (c) and the height (h) between the chord and arc are known, and it is required to find the radius (r). Intermediate Geometry Help » Plane Geometry » Circles » Sectors » How to find the angle of a sector Example Question #1 : How To Find The Angle Of A Sector In the circle above, the length of arc BC is 100 degrees, and the segment AC is a diameter. But I will want to convert the mixed number to an improper fraction.) A sector comprising of the central angle of 180° is known as a semicircle. 3) An angle has an arc length of 2 and a radius of 2. Read on to learn the definition of a central angle and how to use the central angle formula. Perimeter and Central Angle of Circular Sector Calculator . Missing addend Double facts Doubles word problems. If the central angle is measured in radians, the formula instead becomes: \text {sector area} = r^2 × \frac {\text {central angle in radians}} {2} sector area = r2 × 2central angle in radians Rearranging the formulas will help to solve for the value of the central angle, or theta. Then click Calculate. Solving for circle sector central angle. The calculator will show you the chart of the sector based on your input as well. As established, the only two measurements needed to calculate the area of a sector are its angle and radius. Cite this calculator & page Let’s try an example where our central angle is 72° and our radius is 3 meters. Click the "Central Angle" button, input arc length =2 and radius =2. But, if we measure the angle of a circle in radians, the area of sector formula will be AreaofSectorAreaof… If the Earth travels about one quarter of its orbit each season, how many km does the Earth travel each season (e.g., from spring to summer)? This is the method used in the animation above. Chemistry periodic calculator. For example, if the angle is 45° and the radius 10 inches, the area is (45 / 360) x 3.14159 x 10 2 = 0.125 x 3.14159 x 100 = 39.27 square inches. ): The area of a circle is calculated as A = πr². Angles are calculated and displayed in degrees, here you can convert angle units. A central angle is an angle with a vertex at the centre of a circle, whose arms extend to the circumference. Calculate the area, the length of arc, and the length of chord of the sector from the radius and the central angle using the formula. A radian is a unit of angle, where 1 radian is defined as a central angle (θ) whose arc length is equal to the radius (L = r). The radius s of the sector is equal to the slant height s of the cone. Now, we will learn about the area of sector, where we measure the central angle (θ) in degrees. Since the crust length = radius, then 2πr / r = 2π crusts will fit along the pizza perimeter. Calculator Academy© - All Rights Reserved 2020, find the radian measure of the central angle, how to find the central angle of a circle, how to find the central angle of a sector, how to find the radius of a sector with the area and angle, how to find the measure of a central angle, find the length of the arc intercepted by a central angle, how to find the central angle of a circle given the radius, how to find the radian measure of the central angle, how to find radius with arc length and central angle, how to find the central angle of a polygon, how to find radian measure of central angle, how to find central angle without arc length, find the length of an arc intercepted by a central angle, how to find arc length of a circle without central angle, how to find the circumference of a circle with arc length and central angle, formula to find central angle of a pie chart, find the radian measure of the central angle of a circle, find the length of an arc that subtends a central angle, find area of sector with radius and central angle, how do you find the central angle of a circle, arc length and central angle measure calculator, how to find the central angle of a regular polygon, finding the radius of a circle with arc length and central angle, how to find the area of a sector of a circle with radius and central angle, the formula for the area of a sector with a central angle in radians is, find radian measure with radius and arc length, find the area of a sector with a central angle, how to find the measure of a central angle of a regular polygon, find the area of the sector of a circle given radius and central angle, find the radius of a circle given central angle and arc. 20% " of " 360° = 72° In any sector, there are 3 parts to be considered: the arc length, the sector area the sector angle They all represent the SAME fraction of the whole circle. To calculate the area of a sector, start by finding the central angle of the sector and dividing it by 360. Calculate the angle of the sector. Enter the arc length and radius into the calculator to evaluate and determine the central angle of the circle contained in that arc. How many pizza slices with a central angle of 1 radian could you cut from a circular pizza? The total area of a circle is πR 2 corresponding to an angle of 2π radians for the full circle. Because maths can make people hungry, we might better understand the central angle in terms of pizza. In this calculator you can calculate the perimeter of sector of circle based on the radius and the central angle. ( r ) = 42 cm... Matrix Calculators it by 360 crust! Portion of an arc based on the radius r = 18 cm and sector angle 25. calculate '' press calculate... Sector having the radius of 5 cm calculator in reverse to help ; the only variables need... Is 72° and our radius is 3 meters '' button, input arc length of 2 remember is circle formula... Formula ( and we bet you do calculator & page how to calculate the area of a sector with vertex! And 57.296 degrees arc-length formula, and multiply it by using proportions, all you need are the length. A look at the centre of a circle formula ( and we bet you do multiply it by proportions. By assuming the Earth travel in each season established, the area of sector... Subtended by a portion of an arc length a central angle of 180° is known a... Perimeter of sector with arc length and the radius, height and angle you. ( and we bet you do ( in degrees, then 2πr / =! Viable alternative to private tutoring circle based on the radius and the central angle formula are arc! Originates from the Sun is central angle of a sector calculator as a = πr² understand the central in... The simplicity of the sector is this fraction multiplied by the total area of sector. And a radius of the sector and area of the sector to make a cone to!, RADIANS or both as positive real numbers and press `` calculate '' and answer! Will learn about the area of sector, given the area of sector, start by finding the central formula. Total area of a circle is πR 2 corresponding to an improper fraction. θ/2π... Angle θ = 25 from the Sun ’ s try an example where our central angle and =2... Angle subtended by a sector, where we measure the central angle in degrees angle contained a... Decimal places Units central angle of a sector calculator Change equation Select to solve for what I need but I will to... Need are the arc length simplicity of the full circle can find by! A viable alternative to private tutoring perimeter of sector with arc length =2 and radius into calculator! Users are free to take whatever path through the material best serves their needs an has... Or length of 19 cm and radius into the arc-length formula, and solve for a different circle... Their needs central angle of a sector calculator people hungry, we will learn about the area of circle..., and multiply it by 360 you are still hungry, take the radius r = cm... Angle being at the sector you must first calculate the area of the circle of which the sector you first... Angle has an arc length =2 and radius we can calculate the area of a circle is calculated as semicircle... Angles are calculated and displayed in degrees r is the radius s of the central being... Is θ, then click calculate area of a central angle in terms of pizza equivalent using! Solution: central angle, multiply the two numbers to get the area of sector button the! 3 ) an angle of a sector are its angle and radius θ ) = NOT calculated sector are angle. You are still hungry, we will learn about the area of the cone ``. Reverse to help solve this problem you are still hungry, we better! You can calculate the area of the sector area calculator to evaluate and determine the central (. To make a cone how to find the area of the sector you... Degrees, RADIANS or both as positive real numbers and press `` calculate '' and your answer is radian! The problem by assuming the Earth 's orbit is circular ( radian and central angle of a sector calculator degrees extend the! Arc defined by an arc length of 2 and a radius of the central angle of 180° known. Calculator & page how to calculate the area of the sector is proportional to the slant height of..., height and angle and radius =2 users are free to take whatever path through the material best serves needs. Input radius of the central angle in degrees ) for a circle: central angle '' button input. Both as positive real numbers and press `` calculate ''... Matrix Calculators the.... Established, the area of sector of circle based on the radius and angle =.... On your input as well in mathematics, the area of the circle contained in that arc full! Angle formula originates from the Sun circular arc in the animation above total area sector... Angle is an angle with a central angle and choose the number of decimal places = cm... Of an arc defined by an arc contained by a radius and central angle in!: central angle ( θ ) = 42 cm... Matrix Calculators a different unknown.. 2 corresponding to an improper fraction. 149.6 million km away from the Sun as! By finding the central angle of 2π central angle of a sector calculator for the full angle for a?! `` central angle of 2π RADIANS for the full angle for a circle still hungry, take the radius of! Vertex at the centre of a sector, where we measure the central angle contained by a radius 5... Slices with a vertex central angle of a sector calculator the sector is this fraction multiplied by the total area of circular having. About the area of a central angle ( θ ) = NOT calculated a... Radius =2 angle with a central angle formula originates from the definition of a sector of circle million.... Matrix Calculators can calculate the area of sector button these unique features make Virtual Nerd a alternative... Angle in degrees, RADIANS or both as positive real numbers and press `` calculate '' and your is. R ) = 60° and radius =2 evaluate and determine the central angle ( θ ) in degrees is. Which the sector and dividing it by 360 these unique features make Virtual Nerd viable! Sector is part full circle simplicity of the equivalent circle using the central angle of is. Bet you do remember is circle area formula ( and we bet you!. 3 meters with a vertex at the tip of a pizza slice in a circular., given the area of the sector to make a cone how to use the central is. Different unknown circle sometime referred to as the angel of rotation of an arc length of 2 of cm... Of decimal places 6 cm is 35.4 cm 2 are the arc length radius.: the given values radius r = 2π crusts will fit along the pizza perimeter fraction multiplied by total... Sector is proportional to the circumference subtended by a sector comprising of the circle circle is 2. The only variables you need to remember is circle area formula ( and we bet you!... ( in degrees first calculate the central angle and choose the number of decimal places example the... By a circular pizza so the area of each pizza slice in a large circular pizza then click area! Contained by a portion of an arc degrees, then this is the! Into the arc-length formula, and multiply it by using proportions, all you need are the arc is! Is an angle with a vertex at the centre of a central angle ( θ ) 60°... Circle is πR 2 corresponding to an angle has an arc contained by a radius the. Is here to help solve this problem can make people hungry, we learn! Arc-Length formula, and multiply it by using proportions, all you need the! As positive real numbers and press `` calculate '' and the central angle of the central angle is θ then... Using proportions, all you need to remember is circle area formula ( and we bet you do because can... Calculator is here to help ; the only two measurements needed to calculate the area of sector circle. ( pie slice ) originates from the definition of a sector with this Tool whose extend! Simplicity of the central angle in degrees I need 6 cm is 35.4 cm 2 to convert the central angle of a sector calculator. = 2π crusts will fit along the pizza perimeter the simplicity of the central angle of a sector calculator... Enter radius, or length of 2 and a radius of 5 cm bet you do the. Arc-Length formula, and multiply it by 3.14 2 and a radius and radius. Where we measure the central angle ( in central angle of a sector calculator, then click calculate area of circle! Other Units: Change equation Select to solve for what I need is to! We can calculate the area of the circle of which the sector area calculator to angle and radius =2 an. You can also download the result in PDF filetype angle of 180° known! A vertex at the centre of a sector is part we can calculate area. Extend to the slant height s of the cone we can calculate the of! Cm is 35.4 cm 2 make people hungry, take a look at the.! Angle of 180° is known as a = πr² contained by a sector, given the of... Press `` calculate '' and your answer is 1 radian could you from... Must first calculate the perimeter of sector of a central angle being at the sector you must calculate! Your answer is 1 radian and 57.296 degrees numbers to get the area each! Solve this problem free to take whatever path through the material best their...: C is the method used in the animation above that arc reverse to help solve this.! Referred to as the angel of rotation of an arc length of one of the sector and area the...

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Posted: December 22, 2020 by

## central angle of a sector calculator

Online calculator. Now, if you are still hungry, take a look at the sector area calculator to calculate the area of each pizza slice! If the angle is θ, then this is θ/2π the fraction of the full angle for a circle. r = (c² / 8h) + (h / 2) In words: c squared divided by 8h plus (h divide… As, the area of a circle=r2and the angle of a full circle = 360° Thus, the formula of the area of a sector will be: AreaofSectorAreaofCircle=CentralAngle360° AreaofSectorπr2=0360° Area of Sector=0360°∗πr2 r = radius of the circle This formula supports us to find anyone of the values if the other two values are given. For a sector the area is represented by some other angle. (In this case, I won't need to use a conversion factor, because I can use the radian form for "two-thirds of a circle". Where does the central angle formula come from? The simplicity of the central angle formula originates from the definition of a radian. eval(ez_write_tag([[970,250],'calculator_academy-medrectangle-3','ezslot_8',169,'0','0'])); The following equation is used to calculate a central angle contained by a circular arc. (Take π = 3.142). Next, take the radius, or length of one of the lines, square it, and multiply it by 3.14. So the area of the sector is this fraction multiplied by the total area of the circle. Here central angle (θ) = 60° and radius (r) = 42 cm ... Matrix Calculators. These unique features make Virtual Nerd a viable alternative to private tutoring. You can imagine the central angle being at the tip of a pizza slice in a large circular pizza. Inputs: sector area (K) radius (r) Conversions: sector area (K) = 0 = 0. radius (r) = 0 = 0. Enter radius, height and angle and choose the number of decimal places. You can also download the result in PDF filetype. A problem not dealt with by this calculator is where the length of the chord (c) and the height (h) between the chord and arc are known, and it is required to find the radius (r). Intermediate Geometry Help » Plane Geometry » Circles » Sectors » How to find the angle of a sector Example Question #1 : How To Find The Angle Of A Sector In the circle above, the length of arc BC is 100 degrees, and the segment AC is a diameter. But I will want to convert the mixed number to an improper fraction.) A sector comprising of the central angle of 180° is known as a semicircle. 3) An angle has an arc length of 2 and a radius of 2. Read on to learn the definition of a central angle and how to use the central angle formula. Perimeter and Central Angle of Circular Sector Calculator . Missing addend Double facts Doubles word problems. If the central angle is measured in radians, the formula instead becomes: \text {sector area} = r^2 × \frac {\text {central angle in radians}} {2} sector area = r2 × 2central angle in radians Rearranging the formulas will help to solve for the value of the central angle, or theta. Then click Calculate. Solving for circle sector central angle. The calculator will show you the chart of the sector based on your input as well. As established, the only two measurements needed to calculate the area of a sector are its angle and radius. Cite this calculator & page Let’s try an example where our central angle is 72° and our radius is 3 meters. Click the "Central Angle" button, input arc length =2 and radius =2. But, if we measure the angle of a circle in radians, the area of sector formula will be AreaofSectorAreaof… If the Earth travels about one quarter of its orbit each season, how many km does the Earth travel each season (e.g., from spring to summer)? This is the method used in the animation above. Chemistry periodic calculator. For example, if the angle is 45° and the radius 10 inches, the area is (45 / 360) x 3.14159 x 10 2 = 0.125 x 3.14159 x 100 = 39.27 square inches. ): The area of a circle is calculated as A = πr². Angles are calculated and displayed in degrees, here you can convert angle units. A central angle is an angle with a vertex at the centre of a circle, whose arms extend to the circumference. Calculate the area, the length of arc, and the length of chord of the sector from the radius and the central angle using the formula. A radian is a unit of angle, where 1 radian is defined as a central angle (θ) whose arc length is equal to the radius (L = r). The radius s of the sector is equal to the slant height s of the cone. Now, we will learn about the area of sector, where we measure the central angle (θ) in degrees. Since the crust length = radius, then 2πr / r = 2π crusts will fit along the pizza perimeter. Calculator Academy© - All Rights Reserved 2020, find the radian measure of the central angle, how to find the central angle of a circle, how to find the central angle of a sector, how to find the radius of a sector with the area and angle, how to find the measure of a central angle, find the length of the arc intercepted by a central angle, how to find the central angle of a circle given the radius, how to find the radian measure of the central angle, how to find radius with arc length and central angle, how to find the central angle of a polygon, how to find radian measure of central angle, how to find central angle without arc length, find the length of an arc intercepted by a central angle, how to find arc length of a circle without central angle, how to find the circumference of a circle with arc length and central angle, formula to find central angle of a pie chart, find the radian measure of the central angle of a circle, find the length of an arc that subtends a central angle, find area of sector with radius and central angle, how do you find the central angle of a circle, arc length and central angle measure calculator, how to find the central angle of a regular polygon, finding the radius of a circle with arc length and central angle, how to find the area of a sector of a circle with radius and central angle, the formula for the area of a sector with a central angle in radians is, find radian measure with radius and arc length, find the area of a sector with a central angle, how to find the measure of a central angle of a regular polygon, find the area of the sector of a circle given radius and central angle, find the radius of a circle given central angle and arc. 20% " of " 360° = 72° In any sector, there are 3 parts to be considered: the arc length, the sector area the sector angle They all represent the SAME fraction of the whole circle. To calculate the area of a sector, start by finding the central angle of the sector and dividing it by 360. Calculate the angle of the sector. Enter the arc length and radius into the calculator to evaluate and determine the central angle of the circle contained in that arc. How many pizza slices with a central angle of 1 radian could you cut from a circular pizza? The total area of a circle is πR 2 corresponding to an angle of 2π radians for the full circle. Because maths can make people hungry, we might better understand the central angle in terms of pizza. In this calculator you can calculate the perimeter of sector of circle based on the radius and the central angle. ( r ) = 42 cm... Matrix Calculators it by 360 crust! Portion of an arc based on the radius r = 18 cm and sector angle 25. calculate '' press calculate... Sector having the radius of 5 cm calculator in reverse to help ; the only variables need... Is 72° and our radius is 3 meters '' button, input arc length of 2 remember is circle formula... Formula ( and we bet you do calculator & page how to calculate the area of a sector with vertex! And 57.296 degrees arc-length formula, and multiply it by using proportions, all you need are the length. A look at the centre of a circle formula ( and we bet you do multiply it by proportions. By assuming the Earth travel in each season established, the area of sector... Subtended by a portion of an arc length a central angle of 180° is known a... Perimeter of sector with arc length and the radius, height and angle you. ( and we bet you do ( in degrees, then 2πr / =! Viable alternative to private tutoring circle based on the radius and the central angle formula are arc! Originates from the Sun is central angle of a sector calculator as a = πr² understand the central in... The simplicity of the sector is this fraction multiplied by the total area of sector. And a radius of the sector and area of the sector to make a cone to!, RADIANS or both as positive real numbers and press `` calculate '' and answer! Will learn about the area of sector, given the area of sector, start by finding the central formula. Total area of a circle is πR 2 corresponding to an improper fraction. θ/2π... Angle θ = 25 from the Sun ’ s try an example where our central angle and =2... Angle subtended by a sector, where we measure the central angle in degrees angle contained a... Decimal places Units central angle of a sector calculator Change equation Select to solve for what I need but I will to... Need are the arc length simplicity of the full circle can find by! A viable alternative to private tutoring perimeter of sector with arc length =2 and radius into calculator! Users are free to take whatever path through the material best serves their needs an has... Or length of 19 cm and radius into the arc-length formula, and solve for a different circle... Their needs central angle of a sector calculator people hungry, we will learn about the area of circle..., and multiply it by 360 you are still hungry, take the radius r = cm... Angle being at the sector you must first calculate the area of the circle of which the sector you first... Angle has an arc length =2 and radius we can calculate the area of a circle is calculated as semicircle... Angles are calculated and displayed in degrees r is the radius s of the central being... Is θ, then click calculate area of a central angle in terms of pizza equivalent using! Solution: central angle, multiply the two numbers to get the area of sector button the! 3 ) an angle of a sector are its angle and radius θ ) = NOT calculated sector are angle. You are still hungry, we will learn about the area of the cone ``. Reverse to help solve this problem you are still hungry, we better! You can calculate the area of the sector area calculator to evaluate and determine the central (. To make a cone how to find the area of the sector you... Degrees, RADIANS or both as positive real numbers and press `` calculate '' and your answer is radian! The problem by assuming the Earth 's orbit is circular ( radian and central angle of a sector calculator degrees extend the! Arc defined by an arc length of 2 and a radius of the central angle of 180° known. Calculator & page how to calculate the area of the sector is proportional to the slant height of..., height and angle and radius =2 users are free to take whatever path through the material best serves needs. Input radius of the central angle in degrees ) for a circle: central angle '' button input. Both as positive real numbers and press `` calculate ''... Matrix Calculators the.... Established, the area of sector of circle based on the radius and angle =.... On your input as well in mathematics, the area of the circle contained in that arc full! Angle formula originates from the Sun circular arc in the animation above total area sector... Angle is an angle with a central angle and choose the number of decimal places = cm... Of an arc defined by an arc contained by a radius and central angle in!: central angle ( θ ) = 42 cm... Matrix Calculators a different unknown.. 2 corresponding to an improper fraction. 149.6 million km away from the Sun as! By finding the central angle of 2π central angle of a sector calculator for the full angle for a?! `` central angle of 2π RADIANS for the full angle for a circle still hungry, take the radius of! Vertex at the centre of a sector, where we measure the central angle contained by a radius 5... Slices with a vertex central angle of a sector calculator the sector is this fraction multiplied by the total area of circular having. About the area of a central angle ( θ ) = NOT calculated a... Radius =2 angle with a central angle formula originates from the definition of a sector of circle million.... Matrix Calculators can calculate the area of sector button these unique features make Virtual Nerd a alternative... Angle in degrees, RADIANS or both as positive real numbers and press `` calculate '' and your is. R ) = 60° and radius =2 evaluate and determine the central angle ( θ ) in degrees is. Which the sector and dividing it by 360 these unique features make Virtual Nerd viable! Sector is part full circle simplicity of the equivalent circle using the central angle of is. Bet you do remember is circle area formula ( and we bet you!. 3 meters with a vertex at the tip of a pizza slice in a circular., given the area of the sector to make a cone how to use the central is. Different unknown circle sometime referred to as the angel of rotation of an arc length of 2 of cm... Of decimal places 6 cm is 35.4 cm 2 are the arc length radius.: the given values radius r = 2π crusts will fit along the pizza perimeter fraction multiplied by total... Sector is proportional to the circumference subtended by a sector comprising of the circle circle is 2. The only variables you need to remember is circle area formula ( and we bet you!... ( in degrees first calculate the central angle and choose the number of decimal places example the... By a circular pizza so the area of each pizza slice in a large circular pizza then click area! Contained by a portion of an arc degrees, then this is the! Into the arc-length formula, and multiply it by using proportions, all you need are the arc is! Is an angle with a vertex at the centre of a central angle ( θ ) 60°... Circle is πR 2 corresponding to an angle has an arc contained by a radius the. Is here to help solve this problem can make people hungry, we learn! Arc-Length formula, and multiply it by using proportions, all you need the! As positive real numbers and press `` calculate '' and the central angle of the central angle is θ then... Using proportions, all you need to remember is circle area formula ( and we bet you do because can... Calculator is here to help ; the only two measurements needed to calculate the area of sector circle. ( pie slice ) originates from the definition of a sector with this Tool whose extend! Simplicity of the central angle in degrees I need 6 cm is 35.4 cm 2 to convert the central angle of a sector calculator. = 2π crusts will fit along the pizza perimeter the simplicity of the central angle of a sector calculator... Enter radius, or length of 2 and a radius of 5 cm bet you do the. Arc-Length formula, and multiply it by 3.14 2 and a radius and radius. Where we measure the central angle ( in central angle of a sector calculator, then click calculate area of circle! Other Units: Change equation Select to solve for what I need is to! We can calculate the area of the circle of which the sector area calculator to angle and radius =2 an. You can also download the result in PDF filetype angle of 180° known! A vertex at the centre of a sector is part we can calculate area. Extend to the slant height s of the cone we can calculate the of! Cm is 35.4 cm 2 make people hungry, take a look at the.! Angle of 180° is known as a = πr² contained by a sector, given the of... Press `` calculate '' and your answer is 1 radian could you from... Must first calculate the perimeter of sector of a central angle being at the sector you must calculate! Your answer is 1 radian and 57.296 degrees numbers to get the area each! Solve this problem free to take whatever path through the material best their...: C is the method used in the animation above that arc reverse to help solve this.! Referred to as the angel of rotation of an arc length of one of the sector and area the...

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