Problema Solution
The side of an equilateral triangle is 2 inches shorter than the side of a square. The perimeter of the square is 30 inches more than the perimeter of the triangle. Find the length of a side of the triangle
Answer provided by our tutors
Let
x = the length of a side of the square, x>0
x - 2 = the length of a side of the triangle, x - 2>0, x>2
The perimeter of the square is 30 inches more than the perimeter of the triangle:
4x = 30 + 3(x - 2)
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x = 24 in
x - 2 = 24 - 2 = 22 in
The length of the side of the triangle is 22 inches.