Use the unit circle to fill in the blank

The unit circle has a center located at (0,0) and a (1.) equal to 1 unit.

1.
A. Circumference
B. Diameter
C. Radius

1 answer

The correct answer is:

C. Radius

So the completed sentence is:

The unit circle has a center located at (0,0) and a radius equal to 1 unit.