The circumference of a circle is 36π feet. What is the length of the radius of this circle? 9 ft 18 ft 36 ft 72 ft

Question

asked Dec 23, 2020 29.1k views

2 Answers

Alex Cheng · Answer 1 · 2020-12-28T05:30:14+0000

Answer:

18 ft

Explanation:

The circumference of a circle is given by

C = 2 * pi *r

36 pi = 2 * pi *r

Divide by pi on each side

36 = 2 * r

Divide each side by 2

36/2 = 2r/2

18 =r