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

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

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

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

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

5.) ____ ) ____ 32 6

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

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

) ______________ 2. ) ______ 3.) ______ 4.) ______________ 5. ) ______ 6.) ______

Demonstrate Understanding: Find the measure of the missing angles 4.) _______ ) _______ 2.) _______ 3.) _______