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Mathematics 22 Online
OpenStudy (anonymous):

Use the information to find the length of WX in parallelogram WXYZ. The perimeter is 58 cm. YZ is 11 cm less than XY.

OpenStudy (anonymous):

Let L=the length of XY. We know that YZ is 11 less than XY, so the length of YZ=L-11. Since we have two of each side and we know that the perimeter is 58, we can set 58=2(L+L-11) and solve for L, then plug back in to find the length of WX.

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