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.

## Monday, July 21, 2008

### Elearn Geometry Problem 136

Labels:
altitude,
concyclic,
incircle,
orthic triangle,
orthocenter,
perpendicular,
tangency point,
triangle

Subscribe to:
Post Comments (Atom)

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

.-.

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

ReplyDelete