A square with sides of x + 2 and an equilateral triangle with sides of length 2x have equal perimeters.x =124

asked May 28, 2018 129k views

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P square=P triangle equilateral
4(x+2)=3*2x
4x+4*2=6x
4x+8=6x
6x-4x=8
2x=8
x=8/2
x=4

Ygalbel answered Jun 3, 2018

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