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Answer: The length of a side of the square is given by x
The length of a side of the equilateral triangle is given by x=1
Given is : The perimeter of a square is equal to the perimeter of an equilateral triangle.
Perimeter of square is given as 4 x side.
Perimeter of equilateral triangle is given as 3 x side.
So, we will make both equal.
As x = 1 for triangle, the equation becomes:
4x=3
so x=3/4
Step-by-step explanation: