The area of a rectangle is 2160 square units and the diagonal is 78 units long. What are the length and width of the rectangle?

I know the width and length are 30 and 72, but I am having trouble with the actual work.

3 answers

Mr. Robredo is building a fence around a rectangular region with 36 feet of fencing. The area of the rectangular region is 65 square feet. What are the length and the width of the rectangular region? Enter your answers in the boxes.
Whats the answer?????
5896