When a square piece of paper is folded in half vertically, the resulting rectangle has a perimeter of 39cm. In square centimeters, find the area of the original square piece of paper.

Answer 1

Let x = side of square

2(.5x) + 2x = 39

3x = 39

x = 13

x^2 = ?

Answer 2

the area of the original square piece of paper are 169