Circle — AMC & AIME Problems
Practice every real AMC 8, AMC 10, AMC 12, and AIME problem that uses circle — 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 of these problems are used with official legal permission of the Mathematical Association of America (MAA).
AMC 10
2001 AMC 10 Problem 4 · 2002 AMC 10B Problem 24 · 2005 AMC 10A Problem 23 · 2008 AMC 10A Problem 25 · 2008 AMC 10B Problem 10 · 2009 AMC 10B Problem 16 · 2010 AMC 10B Problem 6 · 2012 AMC 10B Problem 2 · 2015 AMC 10A Problem 14 · 2015 AMC 10B Problem 12 · 2016 AMC 10B Problem 21 · 2017 AMC 10A Problem 17 · 2018 AMC 10A Problem 21 · 2021 AMC 10A Spring Problem 19 · 2021 AMC 10B Spring Problem 14
AMC 12
2002 AMC 12B Problem 25 · 2003 AMC 12A Problem 17 · 2004 AMC 12A Problem 24 · 2005 AMC 12A Problem 15 · 2005 AMC 12B Problem 14 · 2005 AMC 12B Problem 18 · 2008 AMC 12A Problem 22 · 2010 AMC 12A Problem 13 · 2011 AMC 12A Problem 10 · 2012 AMC 12A Problem 16 · 2012 AMC 12B Problem 2 · 2015 AMC 12A Problem 11 · 2015 AMC 12A Problem 21 · 2017 AMC 12B Problem 6 · 2017 AMC 12B Problem 9 · 2018 AMC 12A Problem 16 · 2019 AMC 12B Problem 20 · 2020 AMC 12A Problem 18 · 2020 AMC 12B Problem 10 · 2021 AMC 12B Fall Problem 10 · 2022 AMC 12B Problem 8 · 2023 AMC 12B Problem 10 · 2025 AMC 12B Problem 25