UnicornS1Me UnicornS1Me

19-11-2014
Mathematics

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Each side length of the parallelogram at the right is multiplied by four. Describe the change in the perimeter.

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themoldycheesep themoldycheesep

19-11-2014

side length1 = x
side length2 = y

2x + 2y = perimeter

2(4x) + 2(4)y = new perimeter
8x + 8y = new perimeter

new perimeter = 4 times the old perimeter

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