How to find the diameter of a circle with the radius?

The diameter of a circle is twice its radius.

Answer: Diameter = 2 × Radius

We will use the relationship between diameter and radius to determine the diameter of a circle using the radius.

Explanation:

Since the diameter of a circle is twice the radius, the formula of diameter is: Diameter = 2 × Radius

So, the formula to find the diameter of the circle is Diameter = 2 × Radius.