GMAT Problem Solving (PS) | The perimeter of a square is equal to the perimeter of a rectangle who

With numbers like these, It might be easier and/or faster just to do the arithmetic.

Perimeter of rectangle = 6m + 6m + 4m + 4m

= 20m

Perimeter of rectangle and square are equal.

Square has 4 equal sides. So 20m divided by 4 will give the side length of the square.

20m / 4 = 5m

Answer C
...

---