SOLUTION: A rectangle is twice as long as it is wide and has the same perimeter as a square whose area is 81 square feet larger than that of the rectangle. What are the dimensions of both th

Question 904805: A rectangle is twice as long as it is wide and has the same perimeter as a square whose area is 81 square feet larger than that of the rectangle. What are the dimensions of both the rectangle and the square?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
L=2w, and let p be the perimeter of both the rectangle and the square.

s = side length of the square.

, as a result.

.
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