Question

If a radius is 1.5 inches, what is the diameter?

Answer 1

3 inches

Explanation:

diameter is twice the length of the radius

1.5x2=3

Answer 2

The diameter is 3 inches

Explanation:

If you are calculating a circle, one of the main rules you should know is that the diameter is double the radius. In this case the radius is 1.5 inches long. If you need the diameter, you need to double that figure; in this case the answer is 3 inches