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A circle has a radius of 8 ft. What is the area of the sector formed by a central angle measuring 5π4 radians?

Use 3.14 for pi.

Enter your answer as a decimal in the box.

 

____ ft²

 Mar 11, 2020
 #1
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total are of circle =  pi r^2  =  64 pi

 

The fraction of 2pi radians (a whole circle) that is 5pi/4    is     5 pi/4   /   2 pi =  5/8

 

5 / 8      x    64 pi = ........ ft2

 Mar 11, 2020

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