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A circle with radius 10 has a sector with a central angle of 2/5pi radians. What is the area of the sector?

 Mar 23, 2020

Best Answer 

 #1
avatar+23710 
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Total area =  pi r^2    =  100pi

 

2/(5 pi)   is a fraction of 2pi

 

2/(5pi) / 2pi  * pi * 10^2 = 6.366  units ^2

 

 

maybe that is  2/5 *  pi

 

then    2/5 *  pi  /  2pi  x pi x 100 =  62.83 units^2

 Mar 23, 2020
 #1
avatar+23710 
+3
Best Answer

Total area =  pi r^2    =  100pi

 

2/(5 pi)   is a fraction of 2pi

 

2/(5pi) / 2pi  * pi * 10^2 = 6.366  units ^2

 

 

maybe that is  2/5 *  pi

 

then    2/5 *  pi  /  2pi  x pi x 100 =  62.83 units^2

ElectricPavlov Mar 23, 2020

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