# Angle pairs

- Author:
- Mark Humphries

Are ABD and CBD adjacent?

Name two angles that are not adjacent.

Write the angle addition postulate for the picture.

## Draw an angle that is complementary to the given angle. Draw an angle that is supplementary to the given angle.

What are complementary angles and supplementary angles?

If an angle measures 34 degrees, what is the complement of the angle and the supplement of the angle?

## Find the measure of the four angles in the picture.

Move point A, B, C, or D around and write down any patterns that you see.

What are angles AED and CEB called? What is so special about that type of angle?

What are angles AED and DEB called? What is so special about those two angles?

m=______

What is the measure of ACD?

mAED=________

mDEB=______