Question

The formula for the circumference of a circle is c=πr, where r is the radius and C is the circumference. The equation solved for r is r=c/2π

Find the radius of a circle that has a circumference of 16π
A)r=4
B)r=8
C)r=12
D)r=16

Answer 1

The answer is B

Explanation:

r = c/2π

c = 16π

r = 16π/2π

= 8