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# Parallel and Perpendicular Lines

## Parallel, perpendicular, and intersecting lines

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.

## Identify Types of Lines

Learn to identify types of lines.
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5

## Parallel and Perpendicular Lines

by William Lent //basic
Identify intersecting, parallel and perpendicular lines in a plane
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## Parallel and Perpendicular Lines

Identify intersecting, parallel and perpendicular lines in a plane
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0

## Parallel and Perpendicular Lines

Learn how to identify parallel, intersecting and perpendicular lines.
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1

## Parallel and Perpendicular Lines

Learn to identify types of lines.
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• PLIX

## Identify Types of Lines

Parallel and Perpendicular Lines Interactive
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• PLIX

## Identify Types of Lines

Parallel and Perpendicular Lines Interactive
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• Video

## Identifying Parallel and Perpendicular Lines

by CK-12 //basic
Shows how to see if pairs of lines are parallel or perpendicular.
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4
• Video

## Parallel and Perpendicular Lines and Planes

by CK-12 //basic
Defines and identifies parallel lines.
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2
• Video

## SAT Math (Geometry) - Practice 3.6

Overview
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• 3

## Angle Activities

by Kyle Bardman //basic
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## Angle Activities

by Isha //basic
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• Flashcards

## Identify Types of Lines

by Ellaine Chou //basic
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• Flashcards

## Parallel and Perpendiular Lines

by Galaxy Portillo //basic