What does supplementary mean?

1 Answer
Zor Shekhtman
Dec 28, 2015

The question, most likely, is about supplementary angles.
Two angles are called supplementary if a sum of their measures equals to #180^o# (in degrees) or #pi# radians.

Explanation:

On a picture below angles #/_KML# and #/_KMH# are supplementary.
They also happened to be adjacent to better illustrate that their sum equals to #180^o#, but this is not necessary since supplementary angles can be positioned anywhere.

enter image source here

Here is a more general position of two supplementary angles:
enter image source here

Related questions
See all questions in Complementary and Supplementary Angles
Impact of this question
3742 views around the world
You can reuse this answer
Creative Commons License