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Perpendicular Lines

Lines that intersect at 90 degree or right angles.

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.

Perpendicular Lines

by CK-12 //basic

Use perpendicular line properties and theorems.

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• Video

Perpendicular Lines Principles - Basic

by CK-12 //basic

This video provides the student with a walkthrough on perpendicular lines.

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• Video

Perpendicular Lines Examples - Basic

by CK-12 //basic

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

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• Video

Parallel and Perpendicular Lines and Planes

by CK-12 //basic

Defines and identifies parallel lines.

2
• Video

Perpendicular Line Postulate

by CK-12 //basic

What's the perpendicular line postulate and how do you construct a perpendicular line? Watch this video for the answers.

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• Flashcards

Perpendicular Lines Flashcards

by CK-12 //basic

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

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