# Linear Pairs

## Two adjacent angles that form a straight line.

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.

## Linear Pairs

by CK-12 //basic
Solve linear pair problems.
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• Video

## Linear Pairs Principles - Basic

by CK-12 //basic
This video provides the student with a walkthrough on identifying linear pairs.
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## Linear Pairs Examples - Basic

by CK-12 //basic
This video provides the student with a walkthrough of one or more examples from the concept "Linear Pairs"
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• Video

## Proof - Vertical Angles are Equal

by CK-12 //basic
Proves that vertical angles are equal.
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## Complementary, Supplementary, and Vertical Angles

by CK-12 //basic
Defines types of angles and goes over some practice problems.
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