Question

which word describes the distance from the center of a circle to the outside edge?
diameter
radius
circumference
pi

Explanation:

The radius of a circle is defined as the distance from the center of the circle to any point on its outside edge. The diameter is the distance across the circle through the center, the circumference is the distance around the circle, and pi ($\pi$) is a mathematical constant related to the ratio of a circle's circumference to its diameter.

Answer:

B. radius