Question

A ___________ is a line segment that has endpoints on a circle and passes through the center of the circle.

Answer 1

A diameter  is a line segment that has endpoints on a circle and passes through the center of the circle.

Answer 2

Hello!

A line segment that has points on the circle that passes through the center of the circle is the diameter.

The radius goes from a point on a circle to the center of the circle; it is half of the diameter.
An obtuse angle is an angle that measures more than 90 degrees.
A regular polygon is a polygon that is equiangular and equilateral.