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5.3: Identify Accurate Drawings of Triangles

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

law of cosines

law of cosines

The law of cosines is a rule relating the sides of a triangle to the cosine of one of its angles. The law of cosines states that c^2=a^2+b^2-2ab\cos C, where C is the angle across from side c.

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Difficulty Level:

At Grade

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Date Created:

Sep 26, 2012

Last Modified:

Feb 26, 2015
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