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December 21, 2014

December 21, 2014

Posted by **olav** on Saturday, December 11, 2010 at 10:45pm.

Trapezoid EFGH is similar to ABCD, top and bottom are parallel. Top is 10, other sides are unknown.

Area of ABCD is 9 times larger than EFGH.

What is the perimeter of EFGH ?

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