Regular polygon — AMC & AIME Problems
Practice every real AMC 8, AMC 10, AMC 12, and AIME problem that uses Regular polygon — 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 10
2001 AMC 10 Problem 20 • 2002 AMC 10A Problem 19 • 2002 AMC 10B Problem 17 • 2003 AMC 10B Problem 23 • 2009 AMC 10B Problem 24 • 2010 AMC 10B Problem 20 • 2011 AMC 10B Problem 16 • 2012 AMC 10A Problem 18 • 2013 AMC 10A Problem 25 • 2013 AMC 10B Problem 7 • 2013 AMC 10B Problem 12 • 2013 AMC 10B Problem 15 • 2014 AMC 10A Problem 12 • 2014 AMC 10B Problem 13 • 2015 AMC 10B Problem 22 • 2016 AMC 10B Problem 23 • 2018 AMC 10B Problem 24 • 2020 AMC 10B Problem 14 • 2021 AMC 10A Fall Problem 17 • 2021 AMC 10B Fall Problem 11 • 2021 AMC 10B Fall Problem 21 • 2022 AMC 10A Problem 21 • 2023 AMC 10A Problem 24 • 2023 AMC 10B Problem 25 • 2025 AMC 10B Problem 12
AMC 12
1951 AMC 12 Problem 25 • 1952 AMC 12 Problem 21 • 1954 AMC 12 Problem 5 • 1957 AMC 12 Problem 31 • 1958 AMC 12 Problem 16 • 1960 AMC 12 Problem 27 • 1961 AMC 12 Problem 32 • 1962 AMC 12 Problem 18 • 1962 AMC 12 Problem 31 • 1965 AMC 12 Problem 2 • 1970 AMC 12 Problem 24 • 1977 AMC 12 Problem 30 • 1978 AMC 12 Problem 7 • 1979 AMC 12 Problem 10 • 1993 AMC 12 Problem 15 • 1999 AMC 12 Problem 26 • 2001 AMC 12 Problem 14 • 2003 AMC 12B Problem 15 • 2006 AMC 12A Problem 22 • 2006 AMC 12B Problem 16 • 2009 AMC 12A Problem 19 • 2009 AMC 12A Problem 22 • 2011 AMC 12B Problem 12 • 2012 AMC 12A Problem 14 • 2013 AMC 12A Problem 24 • 2015 AMC 12B Problem 7 • 2018 AMC 12B Problem 16 • 2018 AMC 12B Problem 20 • 2020 AMC 12A Problem 14 • 2020 AMC 12B Problem 11 • 2021 AMC 12B Fall Problem 19 • 2022 AMC 12B Problem 10 • 2022 AMC 12B Problem 25 • 2023 AMC 12B Problem 25 • 2024 AMC 12B Problem 23 • 2025 AMC 12A Problem 24
AIME
1990 AIME Problem 3 • 1997 AIME Problem 6 • 1998 AIME Problem 10 • 2002 AIME I Problem 5 • 2002 AIME II Problem 4 • 2004 AIME I Problem 8 • 2005 AIME I Problem 1 • 2010 AIME II Problem 9 • 2011 AIME I Problem 14 • 2013 AIME I Problem 12 • 2014 AIME I Problem 5 • 2016 AIME I Problem 4 • 2017 AIME II Problem 13 • 2019 AIME II Problem 13 • 2024 AIME II Problem 15 • 2025 AIME II Problem 11