1.
A location that has neither shape nor size. Denoted by a capital letter
2.
A straight made up of indefinitely many points and has no thickness or width
3.
A flat surface made up of points that extends indefinitely in all directions
4.
A part of a line with 1 endpoint and extends indefinitely in 1 direction
5.
The first point in a ray that marks where the ray starts.
6.
Two rays sharing a common endpoint
7.
Two angles that lie in the same plane, have a common vertex, and a common side, but no common interior point.
8.
A pair of adjacent angles on a straight line
9.
Two non adjacent angles formed by two intersecting lines
10.
angles Two angles whose measure have a sum of ninety degrees.
