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

TrickyWolf Mar 11, 2020

#1**+1 **

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 = ........ ft^{2}

ElectricPavlov Mar 11, 2020