Question

A circle has a radius of 4.2 cm.

Work out the length of the circumference.
Give your answer to 1 decimal place.

Answer 1

Explanation:

✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪✪

Answer 2

26.38937839

Explanation:

circumference = diameter X pi

4.2 = radius

radius X 2= diameter

4.2 X 2 = 8.4 = diameter

8.4 X pi = 26.38937839