Question

The circumference of a circle is 56.52 cm. Find the radius.

Question 6 options:
9 cm
4 cm
2 cm
30 cm

Answer 1

r = 9 cm.

Explanation:

Circumference = 2πr = 56.52

r = 56.52 / 2π

r = 9 cm.

Answer 2

r = 9 cm

Explanation:

circumference of a circle = 2 π r = 56.52

r = 56.52

2 * π

r = 9 cm