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

asked Apr 15, 2016 163k views

3 votes

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1 vote

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

8.3k points

5 votes

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

Miek answered Apr 20, 2016

by Miek

7.7k points

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