SOLUTION: A square and an equilateral triangle have the same perimeter. The area of the square is 225 cm . What is the length of a side of the triangle?

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Question 663638: A square and an equilateral triangle have the same perimeter. The area of the square is 225 cm . What is the length of a side of the triangle?
Answer by killer6678(69)   (Show Source): You can put this solution on YOUR website!
225 squared is 15.
One side of a side of a square is 15 cm.
The Perimeter of the square is 60 cm.
Since an equilateral triangle has 3 sides of the same length than the equation is 60/3.
60/3=20 cm
20 cm is the length of one side of this equilateral triangle.

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