Question

The circle has a radius of 5 cm. Find the circumference. Give your answer to the nearest tenth. Use pi on your calculator. DO NOT WRITE THE UNITS IN YOUR ANSWER

Answer 1

31.4

Explanation:

Diameter = 2 * radius = 2 * 5 = 10

Circumference = pi * diameter = 3.14 * 10 = 31.4

Answer 2

Explanation:

Circumference is pi × diameter

Diameter is 2x radius

10π is the circumference

10π= 31.4cm