1. UNIT 11 VOCAB

2. New Terms Never Heard It Heard It Can Define It Definitions 1.Point A position in space. (Usually described by an ordered pair.) 2.LineA long, thin continuous mark. 3.Ray A line that has a starting point but no end point. 4.SegmentA part of a line with two endpoints.

3. New Terms Never Heard It Heard It Can Define It Definitions 5.Collinear Three or more points that lie on the same straight line. 6. PlaneA flat surface. 7.Coplanar Three or more points that lie on the same plane. 8. Distance Formula 9. Pythagorean Theorem

4. New Terms Never Heard It Heard It Can Define It Definitions 10. Acute Angle An angle measuring less than 90 degrees. 11. Obtuse Angle An angle measuring more than 90 degrees. 12. Right AngleAn angle measuring 90 degrees.

5. New Terms Never Heard It Heard It Can Define It Definitions 13. BisectorA line that cuts an object in half. 14. MidpointThe point in the middle of a line segment. 15. Complementary Angles Two angles whose sum is 90 degrees. 16. Supplementary Angles Two angles whose sum is 180 degrees.

8. Ray SegmentCollinear

9. Plane Distance Formula Pythagorean Theorem Coplanar

10. Acute Angle Obtuse Angle Right Angle Bisector

11. Midpoint Complementary Angles Supplementary Angles Line