Question

A square and a rectangle have equal areas. The rectangle is 64 cm by 81 cm. What is the perimeter of the square?

Answer 1

Since the square and the rectangle has equal areas, then all you have to do is solve the perimeter of the rectangle. 64+64+81+81, or you can do, 64x2+81x2. If you solve those, then you will get the answer of what is the perimeter of the square.