Angle chasing — AMC & AIME Problems
Practice every real AMC 8, AMC 10, AMC 12, and AIME problem that uses Angle chasing — a geometry concept — each with a professionally curated solution, many with a video solution too, from LIVE by Po-Shen Loh. Browse all concepts or the full past-contest archive.
All problems are used with official legal permission of the Mathematical Association of America (MAA).
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These problems’ difficulty ratings come from real solve attempts on our platform. Tap a band or a contest to filter the list below, and tap a selected band again to include all difficulties. See the full difficulty guide.
AMC 8
1988 AMC 8 Problem 5 • 1994 AMC 8 Problem 7 • 1995 AMC 8 Problem 13 • 1996 AMC 8 Problem 24 • 1997 AMC 8 Problem 12 • 1999 AMC 8 Problem 21 • 2000 AMC 8 Problem 13 • 2000 AMC 8 Problem 24 • 2014 AMC 8 Problem 9 • 2014 AMC 8 Problem 15 • 2016 AMC 8 Problem 23
AMC 10
2006 AMC 10B Problem 19 • 2007 AMC 10A Problem 8 • 2007 AMC 10B Problem 4 • 2008 AMC 10B Problem 24 • 2009 AMC 10B Problem 9 • 2010 AMC 10A Problem 14 • 2010 AMC 10B Problem 6 • 2011 AMC 10B Problem 17 • 2012 AMC 10A Problem 4 • 2014 AMC 10A Problem 22 • 2019 AMC 10A Problem 13 • 2019 AMC 10B Problem 16 • 2021 AMC 10A Fall Problem 7 • 2022 AMC 10B Problem 20 • 2023 AMC 10B Problem 7 • 2025 AMC 10A Problem 6 • 2025 AMC 10A Problem 23
AMC 12
1951 AMC 12 Problem 12 • 1952 AMC 12 Problem 19 • 1954 AMC 12 Problem 31 • 1954 AMC 12 Problem 37 • 1956 AMC 12 Problem 24 • 1957 AMC 12 Problem 11 • 1957 AMC 12 Problem 44 • 1958 AMC 12 Problem 29 • 1960 AMC 12 Problem 38 • 1961 AMC 12 Problem 8 • 1961 AMC 12 Problem 25 • 1962 AMC 12 Problem 7 • 1964 AMC 12 Problem 29 • 1966 AMC 12 Problem 21 • 1966 AMC 12 Problem 31 • 1967 AMC 12 Problem 32 • 1968 AMC 12 Problem 6 • 1971 AMC 12 Problem 5 • 1972 AMC 12 Problem 21 • 1974 AMC 12 Problem 5 • 1975 AMC 12 Problem 24 • 1977 AMC 12 Problem 4 • 1978 AMC 12 Problem 12 • 1979 AMC 12 Problem 3 • 1979 AMC 12 Problem 12 • 1981 AMC 12 Problem 5 • 1981 AMC 12 Problem 20 • 1981 AMC 12 Problem 25 • 1983 AMC 12 Problem 30 • 1989 AMC 12 Problem 7 • 1990 AMC 12 Problem 14 • 1994 AMC 12 Problem 13 • 1996 AMC 12 Problem 21 • 2001 AMC 12 Problem 24 • 2007 AMC 12A Problem 6 • 2008 AMC 12B Problem 15 • 2010 AMC 12A Problem 8 • 2011 AMC 12B Problem 6 • 2013 AMC 12B Problem 13 • 2014 AMC 12B Problem 21 • 2018 AMC 12A Problem 23 • 2019 AMC 12A Problem 25 • 2021 AMC 12A Fall Problem 6
AIME
1994 AIME Problem 14 • 2001 AIME I Problem 4 • 2001 AIME II Problem 13 • 2015 AIME I Problem 6 • 2015 AIME II Problem 11 • 2016 AIME I Problem 6 • 2016 AIME I Problem 15 • 2016 AIME II Problem 10 • 2018 AIME II Problem 14 • 2020 AIME I Problem 1 • 2021 AIME II Problem 14 • 2023 AIME II Problem 3 • 2025 AIME II Problem 5