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Problem
Solve the following problems. Show your complete solutions. $7\right)$ The length of a rectangle is twice its width. Its area $is72cm^{2}$ Find the length and width of the rectangle. $\right)$ he perimeter of a rectangle is $34mm$ and its area $is72mm^{2}$ Find its dimensions. he width of a rectangle is $6cm$ shorter than its length. Its area $is40cm^{2}$ Find the length and width of the rectangle.