I am trying to solve a geometry word problem; can someone help me. "The perimeter of an equilateral triangle is 7 centimeters more than the perimeter of a square, and the side of the triangle is 5 centimeters longer than the side of a square. Find the side length of the triangle. (note: an equilateral triangle has three equal side lengths)

Question

I am trying to solve a geometry word problem; can someone help me.  "The perimeter of an equilateral triangle is 7 centimeters more than the perimeter of a square, and the side of the triangle is 5 centimeters longer than the side of a square.  Find the side length of the triangle. (note: an equilateral triangle has three equal side lengths)

anonymous · Answer

let the side of square be = x cm
so its perimeter = 4x cm

side of equilateral triangle = (x + 5) cm
so its perimeter = 3*(x + 5) cm = (3x + 15) cm

ATQ 3x + 15 = 4x + 7
15 - 7 = 4x - 3x
8 = x

Hence, length of side of triangle = x + 5 = 8 + 5 = 13 cm

anonymous · Answer

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anonymous · Answer

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anonymous · Answer

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