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October 21, 2014

Homework Help: grade 9 math

Posted by olav on Sunday, December 12, 2010 at 9:10am.

Trapezoid ABCD, top AD and bottom BC are parallel. AD is the smaller of the two parallel lines. Left AB is 45, bottom BC is 60, right CD is 30, top AD is unknown.

Trapezoid EFGH is similar to ABCD, top EH and bottom FG are parallel. EH is the smaller of the two parallel lines. Top EH 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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