Monday, July 21, 2008

Elearn Geometry Problem 136

Geometry Problem 136 Orthic triangle

See complete Problem 136
Orthic Triangle, Altitudes, Orthocenter, Incenter, Perpendicular, Concyclic Points. Level: High School, SAT Prep, College geometry

Post your solutions or ideas in the comments.
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2 comments:

  1. AnonymousDecember 10, 2009 at 5:40 AM

    we have 4 right angles:
    DGH 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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  2. ahmetelmasJuly 2, 2010 at 3:05 AM

    http://2.bp.blogspot.com/_b7npa9JnN_0/S_lTXB6WBoI/AAAAAAAAAG0/MdH5I6zePDQ/s1600/%C4%B01.JPG

    ReplyDelete

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