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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.
• PLIX

Altitudes: Orthocenter

by CK-12 //at grade

Altitudes Interactive

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• Video

Altitudes Principles

by CK-12 //at grade

This video gives more detail about the mathematical principles presented in Altitudes.

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• Video

Altitudes Examples

by CK-12 //at grade

This video shows how to work step-by-step through one or more of the examples in Altitudes.

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• Practice
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Altitudes Practice

by CK-12 //at grade
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• Critical Thinking

Altitudes Discussion Questions

by CK-12 //at grade

A list of student-submitted discussion questions for Altitudes.

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• Pre Read

Altitudes Pre Read

by CK-12 //at grade

To use prior knowledge of root words to learn new vocabulary words using Etymology.

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• Post Read

Altitudes Post Read

by CK-12 //at grade

To use prior knowledge of root words to learn new vocabulary words using Etymology.

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• Pre and Post Read

Altitudes KWL Chart

by CK-12 //at grade

With this KWL Chart, reflect on your prior knowledge of a concept, come up with questions you’re curious about, and come up with answers from the reading.

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• Real World Application

RWAAltitude

by CK-12 //at grade

What is high altitude? And how does altitude sickness work?

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• Study Guide

Bisectors, Medians, Altitudes Study Guide

by CK-12 //at grade

This study guide looks at definitions and theorems for midsegments, bisectors, medians, and altitudes.

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