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Mathematics 20 Online
OpenStudy (anonymous):

the perimeter of a rectangle equals the sum of the length of its four sides. if the width of a rectangle is 9 inches and its perimeter is 48 inches, find the length of the rectangle

OpenStudy (anonymous):

try using P=a+b+a+b -> P=2a+2b where a, b length,width

OpenStudy (anonymous):

48 - 18 / 2 will also get you your answer

OpenStudy (anonymous):

So the side length would be 15

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