Find the area of an equilateral triangle (regular 3-gon) with the given measurement. 6-inch side. A = sq. in.
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Answer: 9 √3 in²
Step-by-step explanation:
A = (1/2) x 6 x 6 sin 60º in²
A = 18 x √3 / 2 in²
A = 9 √3 in²
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