1.
Is a location. It has neither shape nor size
2.
a one-dimensional, straight, and infinitely long figure with no width or thickness, extending endlessly in both directions.
3.
A flat 2D surface that extends indefinitely in all directions
4.
A portion of a line that starts at a specific point (called the endpoint) and extends infinitely in only one direction
5.
The shape formed by two rays (or lines) sharing a common endpoint called the vertex
6.
angles Two angles whose measures have a sum of 90 degrees
7.
angles Two angles whose measures have a sum of 180
8.
A measurable part of a line containing the endpoints and all the points between them
9.
Has the same size and shape
10.
At an angle of 90° to a given line, plane, or surface.
