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Mathematics 21 Online
OpenStudy (anonymous):

how to get the perimeter of a rectangle with a width and lenght of 8x^2ycm and 12x^2y

OpenStudy (anonymous):

perimeter is \[8x^2y+8x^2y+12x^2y+12x^2y\] now combine like terms to get \[40x^2y\]

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