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# Parallel and Skew Lines

## Lines that never intersect.

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.

## Parallel and Skew Lines

by CK-12 //basic

Differentiate between parallel and skew lines.

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• PLIX

## Cafe Wall Illusion

by CK-12 //basic

Parallel and Skew Lines Interactive

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• Video

## Proving Lines Parallel

by CK-12 //basic

Uses alternative exterior, alternate interior, corresponding angles, and corresponding interior angles to prove that a pair of lines are parallel.

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• Video

## Parallel and Skew Lines Principles - Basic

by CK-12 //basic

This video provides the student with a walkthrough on parallel and skew lines.

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• Video

## Parallel and Skew Lines Examples - Basic

by CK-12 //basic

This video provides the student with a walkthrough of one or more examples from the concept " Parallel and Skew Lines".

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• Video

## Parallel and Perpendicular Lines and Planes

by CK-12 //basic

Defines and identifies parallel lines.

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• Video

## Parallel Line Postulate

by CK-12 //basic

States the parallel line postulate and shows how to construct parallel lines.

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• Flashcards

## Parallel and Skew Lines Flashcards

by CK-12 //basic

These flashcards on StudyBlue help you study important terms and vocabulary from .

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