Question

The circumference of a circle is 5pi ft. Find its radius, in feet.

Answer 1

r = 2.5 ft

Explanation:

Finding radius of circle when radius is given:

Circumference of circle = 2πr

2πr = 5π ft

`\sf r = (5\pi )/(2\pi )\\\\ r = (5)/(2)\\\\r = 2.5 \ ft`