Posted by stranger on Saturday, March 30, 2013 at 10:37am.
ABC is an acute triangle with ∠BCA=35∘. Denote the circumcenter of ABC as O and the orthocenter of ABC as H. If AO=AH, what is the value of ∠ABC(in degrees)?

maths  gab, Saturday, March 30, 2013 at 10:08pm
45
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