Advanced Geometric Problem & Solution (Twice a week update) Now 4820 problems posted.
<Tri-2023-2053> hint
<FEC=<FGC=<B so, F,G,E,C are concyclic. <EFG=<ECG .
Since <FGC=<B=<AIC, so, AICG are concyclic <GCA=<GIA. Hence<GFH=<GIH
F,G,H,I are concyclic.
No comments:
Post a Comment