Question

A square and a rectangle have the same perimeter. Find the side lengths of each figure.

x-1
X + 1
2x-3

Answer 1

X + 1 + X + 1 + X +1+ X +1 = 2X -3+ 2X -3+ X -1+ X -1
4x + 4 = 4x-6+2x-2
4x+4=6x-8
12=2x
6=x

Side lengths:
6-1=5
6+1=7
2(6)-3=9

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