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# Altitudes

## Height of a triangle or the line segment from a vertex and perpendicular to the opposite side.

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.

## Altitudes

by CK-12 //basic

Apply the properties of altitudes.

3
• Video

## Altitudes Principles - Basic

by CK-12 //basic

This video provides the student with a walkthrough on finding altitudes.

0
• Video

## Altitudes Examples - Basic

by CK-12 //basic

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

0
• Video

## The Altitudes of a Triangle

by CK-12 //basic

Defines an altitude and orthocenter of different triangles.

0
• Flashcards

## Altitudes Flashcards

by CK-12 //basic