document.write( "Question 372892: A square and a rectangle have the same are. if the perimeter of the square is 24 inches, and the width of the rectangle is 3 inches, what is the perimeter of the rectangle? \n" ); document.write( "
Algebra.Com's Answer #265562 by robertb(5830)![]() ![]() You can put this solution on YOUR website! If the square has perimeter 24 inches then its edge is 6 inches. Its area is then 36 square inches. Now the width of the rectangle is 3 inches, and its length is unknown L. Its area is then 3L square inches. Since the square and the rectangle have the same area, 3L = 36, or L = 12. Therefore the perimeter of the rectangle is 2(3 + 12) = 2*15 = 30 inches. \n" ); document.write( " |