# Angle Pairs

## Understand complementary angles as angles whose sum is 90 degrees and supplementary angles as angles whose sum is 180 degrees.

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.

## Measures of Angle Pairs

Learn measure of angle pairs.
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## SLT 33 Use special angle relationships to solve for missing angles.

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## SLT 31 Define, recognize and describe special angle relationships.

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## Angle Pairs

Identify angle pairs as supplementary, complementary or neither
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## Measures of Angle Pairs

Learn measure of angle pairs.
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## Angle Pairs

Learn how to identify and use angle pairs.
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• PLIX

## Angle Measurements

Angle Pairs Interactive
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• 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.
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• Video

## Complementary, Supplementary, and Vertical Angles

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

## Combining Complementary and Vertical Angles with Angles at a Point or on a Line - Overview

by CK-12 //basic
Overview
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• Video

## Combining Complementary and Vertical Angles with Angles at a Point or on a Line - Example 1

by CK-12 //basic
Find and compare angle measurements at a point and on a line
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• Video

## Combining Complementary and Vertical Angles with Angles at a Point or on a Line - Example 2

by CK-12 //basic
Finding missing angle challenge problems - Level 1
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• Video

## Combining Complementary and Vertical Angles with Angles at a Point or on a Line - Example 3

by CK-12 //basic
Finding missing angle challenge problems - Level 2
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• Video

## Combining Complementary and Vertical Angles with Angles at a Point or on a Line - Example 4

by CK-12 //basic
Finding missing angle challenge problems - Level 3
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• 2

## Plug In!

by Kyle Bardman //basic
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• Flashcards

## Measures of Angle Pairs

by Ellaine Chou //basic
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• Flashcards

## Angle Pairs

by Galaxy Portillo //basic