1. Geometric Terms 7 Math: Sections 7-1 and 7-2

2. Lines and Planes Point - indicates a location in space. Line - A series of points that extend forever in both directions. Ray - A part of line that goes forever in one direction. Segment - A part of a line that is between 2 endpoints. A AB CD X Y

3. Plane A flat surface that extends indefinitely in all directions and has no thickness. A piece of paper is like a plane that you write on. What are some other planes in the classroom?

4. Types of Lines Intersecting Lines - Have exactly one point in common because they meet one time. Parallel Lines - Are in the same plane and never intersect. Skew Lines - Lie in different planes, and never intersect and are not parallel.

5. Practice Naming Line Segments Name a pair of intersecting segments. Name a pair of parallel segments. Name a pair of skew segments.

6. Angles An angle is formed by 2 rays with a common endpoint. Vertex - is the point of intersection of the 2 rays. Name with Angle Sign, followed by 3 capital letters with the vertex in the middle.

7. Types of Angles Acute: Between 0 and 90 degrees. Right: 90 degrees Obtuse: between 90 and 180 degrees Straight: 180 degrees

8. Pairs of Angles Complementary: Pairs of angles whose sum is 90 degrees Supplementary: Pairs of angles whose sum is 180 degrees Adjacent: Share a vertex and a side Vertical: Formed by 2 intersecting lines and are opposite each other (in the X) Congruent: Have equal measures

9. Identifying Angles Obtuse Acute Straight Right

10. Identifying Angles Complementary Supplementary Vertical Adjacent