Geometry Problem 1283

Elements: Two Equilateral Triangle, Perpendicular, Midpoint.

In an equilateral triangle ABC, CDE is a line through C so that AD and BE are perpendicular to CDE, as shown in the figure. If M is the midpoint of AB, prove that the triangle MDE is equilateral.
 

Geometry Problem 1283: Two Equilateral Triangle, Perpendicular, Midpoint


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Triangle
Equilateral Triangle
Midpoint
Perpendicular lines


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