# Unknown Complementary Angles

Skill:

Use properties, definitions, and theorems of angles and lines to solve problems related to adjacent, vertical, complementary, supplementary, and linear pairs of angles.

# Unknown Complementary Angles

Discover a process for finding the measure of the complement of an angle in this interactive activity.

### Putting It All Together

*Answer these open ended questions on your own or with others to form deeper math connections. *

### Open-ended question 1

What is the sum of two complementary angles?

Text and math input

### Open-ended question 2

How can you find the value of when the sum of and a number is ?

Text and math input

## Explore more

Prerequisite Resources

More from Pairs of Angles

Next Resources