See complete Problem 136
Orthic Triangle, Altitudes, Orthocenter, Incenter, Perpendicular, Concyclic Points. Level: High School, SAT Prep, College geometry
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Monday, July 21, 2008
Elearn Geometry Problem 136
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we have 4 right angles:
ReplyDeleteDGH and DKH by construction
DNH and DMH then H is the center of the orthic triangle incercle (pb 134)DN and DM are tangent
D,G,N,H,M,K lie onthe cercle with diameter DH
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http://2.bp.blogspot.com/_b7npa9JnN_0/S_lTXB6WBoI/AAAAAAAAAG0/MdH5I6zePDQ/s1600/%C4%B01.JPG
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