Question

What is the circumference of a circle with a diameter of 21 cm? Approximate using pi equals 22 over 7.

7 cm
33 cm
66 cm
132 cm

Answer 1

Answer: 66cm

The first person to answer was correct.

Explanation:

I took the quiz so you don't have to! <3

Answer 2

66 cm

Explanation:

Circumference = pi * diameter = 22/7 * 21 = 66 cm