## What is the Radius of a Circle? | What is the Diameter of a Circle? | Radius and Diameter Explained

First you need to find the radius, the key term to find the radius is diameter=2â‹…radius ; therefore the radius r is 122=6 inches.

First you need to find the radius, the key term to find the radius is diameter=2â‹…radius ; therefore the radius r is 122=6 inches.