Koreanpandaz Koreanpandaz

07-05-2015
Mathematics

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Find the area of an equilateral triangle that has a height of 15 inches

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Panoyin Panoyin

07-05-2015

A = ¹/₂bh
A = ¹/₂(15)(15)
A = ¹/₂(225)
A = 112.5in²

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07-05-2015

Since it's equilateral, all sides should also be 15 inches.

A = 1/2 * b * h

A = 1/2 * 15 * 15

Multiply:

A = 112.5

Answer Link

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