2. Angles - Formed when two rays share a common endpoint

3. Adjacent Angles – Angles that share a vertex, one side and no interior points.

4. Vertical Angles – Pairs of angles formed where two lines intersect. These angles are formed by rays pointing in opposite directions.

6. Complementary Angles – A pair of angles whose measures sum to 90 degrees. Each angle in the pair is the other’s complement.

8. Acute angle – An angle whose measure is less than 90 degrees

10. Obtuse Angle – An angle whose measure is greater than 90 degrees.

12. Can you describe this angle? Obtuse Angle Acute Angle Complementary Angles Vertical Angles Adjacent Angles

13. A B C D Angles AEB and CED are ________________ E Quiz Question 1

14. Quiz Question 2 A B C Angle ABC is a/an _______________ angle.

15. Quiz Question 3 A B C D Angles ABC and CBD are ________________ angles.

16. Quiz Question 4 40 50 A B C D Angles ABD and CBD are ______________ angles

17. Quiz Question 5 A B C D Angle ADC is a/an ______________ angle

18. Your Assignment Due tomorrow –20 points

19. Choose one of the 5 terms. Create on notebook paper or any 8 ½ by 11 inch piece of paper a poster. On this poster must be the name, its definition, and a visual representation. Your name must be written on the front of the poster. Your poster will be evaluated on the following basis: 1.Contains all the required elements. 2.Neatly written, no spelling errors 3.Colorful and original Any questions?