Answer on Geometry Question for jessica
We know that initially a piece of paper was a square, so after folding horizontally in half and then cutting into 2 pieces we have 2 rectangles, in which 1 side is twice larger than the other one, so we can write next equation: P=(a+2a)*2=36 cm; 6a=36 cm; a=6 cm.
The original square piece of paper had side 2a=2*6=12 cm, so the perimeter of the original square is P=a*4=12*4=48 cm.
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