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April 19, 2014

April 19, 2014

Posted by **amit** on Wednesday, December 12, 2012 at 1:22pm.

find the area of the parallelogram ABCD.

- maths --plse help me.. -
**Steve**, Wednesday, December 12, 2012 at 2:34pmby similar triangles,

FC/AB = CE/BE = 1/2

so, F is the midpoint of CD

if the altitude of ABCD from AB to CD is h,

area(ABCD) = h*CD

area(DFB) = 1/2 * h * DF = 1/2 * h * CD/2 = 1/4 h*CD

so, area(ABCD) = 12

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