The diagonals of a parallelogram are perpendicular to each other. The perimeter of the parallelogram is 48 feet. Find the lengths of the sides of the parallelogram.

We know that a parallelogram has two pairs of congruent sides. If we know that the diagonals are perpendicular and the perimeter is 48 feet, we can solve is using the area of parraleogram formula: with that we get the answer of 5, and 9