Problem 397: Triangle, Altitude, Midpoints, Congruence. Elearning

Problem 397: Triangle, Altitude, Midpoints, Congruence

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The figure shows a triangle ABC with the altitude BH. If D, E, and F are midpoints of AB, BC, and AC, respectively, prove that triangles DEF and EDH are congruent. Post a comment or solution.
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		Proposed Problem 398. Parallelogram, Area, Similarity, Congruence.
		Proposed Problem 396. Square, Angle Trisectors, Congruence, Area.
		Proposed Problem 395. Square, 15 Degree, Equilateral triangle.