Geometry, Theorems and Problems

 Problem 236. Quadrilateral, Midpoints, Exterior line, Perpendicular lines

The figure shows a quadrilateral ABCD, E, F, G, and H are the midpoints of the sides, If e, f, g, and h are the perpendiculars drawn from E, F, G, and H to an exterior line E'G', respectively, prove that: e + g = f + h. View or post a solution.
  

Quadrilateral, Midpoints, Perpendicular lines 

 

 

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