Question

 A central angle is best described as which of the following?

A.
It has a measure greater than 180 degrees.

B.
It is an angle that has its vertex on the circle.

C.
It is an angle that has its vertex at the center of a circle.

D.
It is part of the circumference of a circle.

Answer 1

C.

It is an angle that has its vertex at the center of a circle.

Answer 2

Answer C: It is an angle that has its vertex at the center of a circle.

Explanation:

By definition of central angle, it is an angle whose vertex is at the geometric center of a circle.