Squares ABDE and BCFG are constructed on the sides AB and BC of a triangle ABC, O is the midpoint of AC. Prove that OM and ON are congruent and perpendicular. See the proof.

Previous, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, Next