Question

Calculate the circumference of each circle. Round your answer to the nearest hundredth.

Answer 1

Answer: 39.58 cm

Explanation:

The circumference of a circle is 2 times the radius times pi or pi times the diameter. so we know the diameter is 12.6 so just multiply it by pie.

12.6 * pi = 39.584

Now rounded to the nearest hundredth is 39.58.