This square and this equilateral triangle have the same perimeter. What is the length of one side of square?

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Do I set them equal to one another?

2007-11-27 07:46:44 · 2 answers · asked by Phil 2 in Science & Mathematics ➔ Mathematics

yes.

4(2x+3.75) = 3(3x)
x = 15

answer = 33.75

2007-11-27 07:55:59 · answer #1 · answered by Mugen is Strong 7 · 0⤊ 0⤋

3(3x) = 4(2x + 3.75)
9x = 8x + 15
x = 15
2x + 3.75 = 33.75

2007-11-27 15:58:08 · answer #2 · answered by Philo 7 · 0⤊ 0⤋