# Lesson Worksheet: Complementary and Supplementary Angles Mathematics • 7th Grade

In this worksheet, we will practice identifying complementary and supplementary angles and applying these properties in order to find a missing angle.

**Q4: **

If and are complementary, , and complements , which of the following is equal to ?

- A
- B
- C

**Q5: **

Find the measure of the angle which supplements the angle measuring .

**Q9: **

Find the value of .

**Q10: **

Classify the following pair of angles as complementary, supplementary, vertical, or neither.

- Acomplementary
- Bneither
- Cvertical
- Dsupplementary