1. How do you explain the basic terms of
geometry?

2.  A location.
 Without size.
 Represented by a dot.
 Named by a capital letter.
“Point A”

3.  The set of all points.

4.  A series of points that extends in two
opposite directions without end.
 You can name a line by any two points on the
line with a little line symbol above them.
A
B

5. Planes are usually represented by
a shape that looks like a tabletop or
a parallelogram.
A plane is named by a single letter
(plane m) or by three points (plane
ABC).
Has no thickness and extends
forever.

6.  Part of a line.
 Has one endpoint and extends forever in one
direction.

7.  Part of a line or ray that extends from one
endpoint to another.

8.  Three points
 Two lines
 A plane

9.  Three rays
 Two line segments