Question

A circle has a diameter of 3.6cm.
What is it’s radius?

Answer 1

1.8

Explanation:

The formula for diameter and radius is 2r = d, if we solve this equation we get 2r = 3.6 So, divide 3.6 by 2 and you got your answer!

Answer 2

1.3

Explanation:

Radius is half of a diameter so you just need to divide 3.6 by 2