Geometry Problem. Post your solution in the comments box below.

Level: Mathematics Education, High School, Honors Geometry, College.

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## Thursday, June 18, 2015

### Geometry Problem 1123: Hexagon, Triangle, 90 Degrees, Perpendicular Lines, Vertices, Area

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Let H be the orthocenter of ΔACE,

ReplyDeletethen ABCH, CDEH and EFAH are parallelograms.

The result S=2S₁ is then obvious.

Draw the orthocentre and yo'll get the answer

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