1. Complementary, Supplementary, and Vertical Angles x Y X + Y = 180 ° A B A + B = 90 ° C D E FG DCE = m m FCG

2. Supplementary - Two angles are supplementary if the sum of their measures equals 180 A B C D 135 Find the missing angle. _____________

3. Complementary- Two angles are complementary if the sum of their measures equals 90 60 Find the missing angle. _____________

4. 1.) Find the measure of an angle whose complement is 23. 2.) Find the measure of an angle whose supplement is 107.

5. Find the angle measure that is not given. 3.) ______________ 473 4.) ______________ 42 4

6. 5.) ____ 25 5 6.) ____ 32 6

7. X Y Z V W Naming Complementary and Supplementary Angles Name a pair of complementary angles Name two pairs of supplementary angles

8. Vertical angles are formed by two intersecting lines and are opposite each other. Vertical angles are also equal. A B C D E ABC and EBD are vertical angles

9. 110 1 2 3 1.) ______________ 2. ) ______ 3.) ______ 4.) ______________ 5. ) ______ 6.) ______ 4 5 6 60

10. Demonstrate Understanding: Find the measure of the missing angles 4.) _______ 63 10 1.) _______ 2.) _______ 3.) _______ 48 8 7 9