1. Complementary and Supplementary Angles
Lesson 3-5
Complementary and Supplementary Angles

2. Ohio Content Standards:

3. Ohio Content Standards:
Formally define geometric figures.

4. Complementary Angles

5. Complementary Angles
Two angles are complementary if and only if the sum of their degree measure is 90.

6. Supplementary Angles

7. Supplementary Angles
Two angles are supplementary if and only if the sum of their degree measure is 180.

8. Name two pairs of complementary angles.B G C
55°
35°
80° F
10° D E

9. Name a pair of nonadjacent supplementary angles.B G C
55°
35°
80° F
10° D E

10. Find the measure of an angle that is supplementary to BGC.
55°
35°
80° F
10° D E

11. Homework: Pgs. 120-121 4-26 evens, 32-37 all