# What is the length of the radius of the circle?

We will relate the radius and diameter of the circle to answer this question.

## Answer: The radius is half the length of the diameter.

We will use the definition of the radius of circle.

**Explanation:**

The definition of radius of a circle is the length of the line segment from the center of a circle to a point on the circumference of the circle. So, the radius is half the length of the diameter.