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supplementary angle
NOUN [MATHEMATICS.]
1.
either of two angles that added together produce an angle of 180°.
Source: Dictionary.com
supplementary angle | Define supplementary angle at Dictionary.com
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## Supplementary Angles - Math is Fun

www.mathsisfun.com/geometry/supplementary-angles.html

Supplementary Angles. Two Angles are Supplementary when they add up to 180 degrees. supplementary angles 40 and 140. These two angles (140° and 40°) ...

## Complementary & supplementary angles | Vertical ... - Khan Academy

Learn about complementary and supplementary angles, as well as the definitions of adjacent and straight angles.

## Complementary & supplementary angles | Vertical ... - Khan Academy

Use your knowledge about complementary and supplementary angles to find missing angles.

## Identifying supplementary, complementary, and vertical angles ...

Practice telling whether two angles are supplementary, complementary, or vertical.

## Supplementary Angles definition - Math Open Reference

www.mathopenref.com/anglesupplementary.html

Definition and properties of supplementary angles - two angles that add to 180 degrees.

## Complementary and supplementary angles - Basic mathematics

www.basic-mathematics.com/complementary-and-supplementary-angles.html

To learn about complementary and supplementary angles using good illustrations.

## Supplementary and Complementary Angles - SoftSchools

www.softschools.com/math/geometry/topics/supplementary_and_complementary_angles/

There are many special relationships that can be formed using angles. Here is a look at two of the relationships. Supplementary angles are two angles that have ...