Question

These angle measures are what type of angles when combined?

Answer 1

Answer:

These are called supplementary angles.

Step-by-step explanation:

Supplementary angles are equal to 180 degrees. 100 + 80 is equal to 180 degrees, meaning that the angles are supplementary. I hope this helps! :)

Answer 2

Supplementary, they are always equal to 180 and can also be described as a straight line