1. 1.2 Points , lines Planes In Geometry there are 3 undefined terms

2. NO Size NO L,W,H Marks only a location Use a dot
Point
NO Size
NO L,W,H
Marks only a location
Use a dot

3. Point- Notation
P You represent it with a point and a Capital letter

4. Goes forever in both directions
Line
Goes forever in both directions

5. You name a line with 2 letters and the line symbol on top of it EX.
Line Notation
You name a line with 2 letters and the line symbol on top of it
EX.
A B C

6. Line segment * A line segment has two endpoints Notation:
D E

7. Ray * has only 1 endpoint * Goes forever in one direction Notation:B

8. Name the following in 2 different ways using the correct symbol and letters. 1. 3. 2.. 4.Z

9. Plane. Has length and width. It’s flat
Plane * Has length and width *It’s flat *It’s represented by a 4 sided figure * You need at least 3 points to make a plane

10. Plane-Notation *You name a plane with an Italic Capital letter Ex.

11. Intersections 2 lines intersect in a _____________
2 planes intersect in a ______________

12. Opposite Rays A X M

13. Collinear. Collinear means on the same line Ex. Collinear. Ex
Collinear * Collinear means on the same line Ex.Collinear Ex.Non-Collinear

14. Coplanar * Coplanar means in the same plane Ex.

15. Homework Pg 18 #1-22 all 27-29,51