+4 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
+36915 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
