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A square DEFG varies inside equilateral triangle ABC, so that E always lies on side AB, F always lies on side BC, and G always lies

A square DEFG varies inside equilateral triangle ABC, so that E always lies on side AB, F always lies on side BC, and G always lies on side AC. The point D starts on side AB and ends on side AC. read more ..

jttttt Oct 28, 2018