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OpenStudy (anonymous):
The length of a rectangle is three times its width. If the area of the rectangle is 147 m^2 , find its perimeter.
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OpenStudy (anonymous):
|dw:1365740872790:dw|
OpenStudy (anonymous):
so whats the perimeter?
OpenStudy (anonymous):
w = 7, L = 21 P = 2w + 2L= 14 + 42= 56
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