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# Supplementary and Complementary Angle Pairs

## Find missing angle measures for supplementary or complementary angles.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
• Video

## Complementary and Supplementary Angles

by CK-12 //basic

Provides an overview of complementary, supplementary angles, adjacent angles, straight angles, and perpendicular lines.

1
• Video

## Angle Basics

by CK-12 //basic

Learn all the basics you'll need to know about angles. James Sousa introduces angle vocabulary and measurement.

0
• Video

## Animation of Types of Angles

by CK-12 //basic

Learn about all types of angles under 2 minutes. Illustrates acute, right, obtuse, straight, reflex, and full angles.

0
• Video

## Complementary, Supplementary, and Vertical Angles

by CK-12 //basic

Defines types of angles and goes over some practice problems.

4