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A circle has a radius of 4 ft.

What is the area of the sector formed by a central angle measuring 5π2 radians?

Use 3.14 for pi.

Enter your answer as a decimal in the box.

 May 22, 2018
 #1
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Area of Sector = θ/2 × r^2   (when θ is in radians)

 

A =[5pi/2] / 2 x 4^2

A =[5pi/4] x 16

A =80pi / 4

A =20pi

A =62.8 ft^2.

 May 22, 2018

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