AIME level Geometry math problem

 

 

AMC8 (American Mathematics Competition 8)

AMC10 (American Mathematics Competition 10)

AMC12 (American Mathematics Competition 12)

AIME  (The American Invitational Mathematics Examination)

USA (J)MO （The United States of America Mathematical (Junior) Olympiad)

MOSP (The Mathematical Olympiad Summer Program)

IMO (International Mathematics Olympiad)

ARML (American Regions Mathematics League)

Harvard MIT Math Tournament (HMMT)

Caltech Harvey Mudd Math Competition(CHMMC)

MOEMS – Mathematics Olympiads For Elementary and Middle Schools