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5.5: Heron's Formula

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

Heron's Formula

Heron's Formula

Heron's formula is used to calculate the area of a triangle when the lengths of all three sides are known. Heron's formula states that for a triangle with sides a, b, and c, the area of the triangle is A=\sqrt{s(s-a)(s-b)(s-c)} where s=\frac{a+b+c}{2}.

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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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