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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.
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Altitudes: Orthocenter

Altitudes Interactive

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• Video

Altitudes Principles

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

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• Video

Altitudes Examples

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

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• Critical Thinking

Altitudes Discussion Questions

A list of student-submitted discussion questions for Altitudes.

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

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

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Altitudes KWL Chart

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

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

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• Study Guide