1. G-01 (1-1) Understanding Points, Lines, and Planes “I can identify and describe basic geometric terms and distinguish between line, line segments and rays”

2. Undefined Terms: you cannot measure them

3. Collinear: points on the same line Coplanar: points on the same plane Opposite of collinear is noncollinear and opposite of coplanar is noncoplanar. M K L N

4. Example 1 Name each of the following: a.Point ________ b.Line _______ c.Plane _______ d.Noncollinear pts __________

6. Example 2 Draw and label each of the following. a.A segment w/endpts U and V b.Opposite rays w/common endpt Q c.A ray w/endpt M that contains N d.A line containing A and B e.Opposite rays and

7. Example 3 Name each of the following: a.2 planes _____________ b.2 lines __________ c.2 line segments ________

8. A postulate, or axiom, is a statement that is accepted as true without proof.

10. Example 4 Draw each of the following: a.Line m and n intersecting at P b.Line w intersecting plane ABC. c.Line g lies on plane XYZ.

11. Example 5 Name the following: a.3 Point ______ b.Ray ______ c.2 Opposite Rays _______ d.Plane ________ e.2 lines _______

12. Your Turn Name the following: a.2 Opposite Rays _________ b.Plane ________ c.line _______ d.The intersection of plane N and plane T. ___________ e. A plane containing E, D, and B.