# Supplementary Angle Investigation 1

Thanks to http://www.geogebra.org/user/profile/id/500439 for this v nice applet

**Questions:**1) In your own words, describe what it means for 2 angles to be supplementary angles. 2) In the applet above, the

**blue angle**is said to be a

*of the*

**supplement****pink angle**, and vice versa. Given this information, determine the

*supplement*of a 130 degree angle. 3) What is the supplement of a 1-degree angle? 4) What angle measure has a supplement whose measure is equal to itself?

## New Resources

## Discover Resources

Download our apps here: