Oddly enough, i forget my geometry laws two days before the test.(adsbygoogle = window.adsbygoogle || []).push({});

If ABCD is a parallelogram where x and y are on the midpoints of AD and BC. Prove that BX and DY are parallel. I understand one would have to prove that corresponding angles are equal. thus, AHX would equal CMY, and ADM would equal BHC.

My question is: if a large triangle and a smaller triangle have proportional sides (e.g. 1/2), would the angles be proven equal?

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# Simple Geometry

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