He will have 4 1/2 foot pieces of rope To calculate this, we need to divide 2 by 1/2. To make this simpler, say you have 2 pizzas and cut each pizza in half. How much halfs will you have? You will have four halfs. Same with the rope. You will have 4G pieces of rope. I attached an image that I hope will help :)
Since the sides are each congruent then ABCD and PQRS are the exact same shape and size. This means the area inside each figure will be the same amount. The areas are the same.