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# Identification of Angles by Vertex and Ray

## Learn how to name angles using letters.

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

## Introduction to Angles

by CK-12 //basic
Defines angles and examines angles in a circle.
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2
• Video

## Defining an Angle - Overview

by CK-12 //basic
Overview
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• Video

## Angles on a Line - Overview

by CK-12 //basic
Overview
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• Video

## Angles at a Point - Overview

by CK-12 //basic
Overview
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• Video

## Angles on a Line - Example 1

by CK-12 //basic
Find the measure of an angle on a line using given information (1 step)
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0
• Video

## Angles on a Line - Example 2

by CK-12 //basic
Find the measure of an angle on a line using given information (2 steps)
MEMORY METER
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0
• Video

## Angles on a Line - Example 3

by CK-12 //basic
Find the measure of an angle on a line using algebra
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0
• Video

## Angles at a Point - Example 1

by CK-12 //basic
Find the measure of an angle at a point using given information (1 step)
MEMORY METER
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0
• Video

## Angles at a Point - Example 2

by CK-12 //basic
Find the measure of an angle at a point using given information (2 steps)
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Angles at a Point - Example 3

by CK-12 //basic
Find the measure of an angle at a point using algebra
MEMORY METER
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0
• Video

## Angles at a Point - Example 4

by CK-12 //basic
Find the measure of an angle created by a divided circle
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