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# Understanding Supplementary, Complementary, Vertical and Adjacent Angles 7th Grade Math Worksheets

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## Definition:

In Geometry, angle defined as a figure formed by the two rays that meet at one common endpoint.

## Summary:

The concept of angles is very important because it is associated in all geometric figures with corners and in all parallel lines crossing each other.

When two straight lines crossed each other, they form pairs of angles. In this worksheet, we will tackle four pairs of angles namely: supplementarycomplementaryvertical and adjacent angles.

SUPPLEMENTARY ANGLES

Supplementary Angles are angles that form a straight line or what we call a linear pair. Linear pair has an angle that measures 180 degrees. Thus, if you have 2 angles that are equal to 180 degrees when added together, you have supplementary angles.

COMPLEMENTARY ANGLES

Complementary angles are angles, as the name itself, complement each others. These are angles that form a corner that measures 90 degrees.

VERTICAL  ANGLES

Vertical Angles are a pair of nonadjacent angles formed by two lines crossing each other.