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February 28, 2015

February 28, 2015

Posted by **tamara** on Sunday, March 27, 2011 at 8:45pm.

- geometry -
**Reiny**, Sunday, March 27, 2011 at 8:57pmrectangle:

width -- x

length -- 4x

perimeter of rectangle = 2x + 8x = 10x

perimeter of triangle = 3(55) = 165

so 10x = 165

x = 16.5

then length of rectangle = 4x = 4(16.5) = 66

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