An equilateral triangle has the same perimeter as a square whose side is 12 inches. What is the length of a side of the triangle?

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Accepted Answer

The perimeter of a square is 4 times a side. Therefore, the perimeter of this square is 4 x 12 feet or 48 feet. The equilateral triangle has the same perimeter as the square. Since the 3 sides of an equilateral triangle are equal, divide by 3 to find the length of one side. (48 feet) ÷3 = 16 feet (length of one side)

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