Question

What is the radius, in centimeters, of a circle that has a circumference of 161 centimeters?

A. 8. B. 16. C. 32. D. 64​

Answer 1

25.63694268 = r

Explanation:

The circumference is

C = 2*pi*r

161 = 2*(3.14) *r

161 = 6.28 r

Divide each side by 6.28

161/6.28 = r

25.63694268 = r