Question

A circle has a diameter of 24 cm. What is its circumference?

Use 3.14 for t, and do not round your answer. Be sure to include the correct unit in your answer.

Answer 1

C≈75.4

Explanation:

C=2πr=2·π·12≈75.39822

Answer 2

75.36cm

Explanation:

Circumference of circle =

`2\pi \: r \\ = 2(3.14)(24 / 2) \\ = 75.36cm`