# MO8-Z8-I-5 2017

Identical rectangles ABCD and EFGH are positioned such that their sides are parallel to the same. The points I, J, K, L, M and N are the intersections of the extended sides, as shown. The area of the BNHM rectangle is 12 cm

^{2}, the rectangle MBCK area is 63 cm^{2}and the rectangle MLGH area is 28 cm^{2}. Find the area of the IFJD rectangle.**Your answer:**#### You need to know the following knowledge to solve this word math problem:

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