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The length of a rectangle is three times it's width. If the area of the rectangle is 147 metes squared, find its perimeter.

The length of a rectangle is three times it's width. If the area of the rectangle is 147 metes squared, find its perimeter.
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The length of a rectangle is three times it's width. If the area of the rectangle is 147 metes squared, find its perimeter.

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User IAmJersh
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1 Answer

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l=3w\\ lw=147\\\\ 3w\cdot w=147\\ 3w^2=147\\ w^2=49\\ w=7\\\\ l=3\cdot7=21\\\\ p=2l+2w\\ p=2\cdot21+2\cdot7\\ p=42+14\\ p=56
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User Sushant Mehta
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