Area ratio — AMC & AIME Problems

Practice every real AMC 8, AMC 10, AMC 12, and AIME problem that uses Area ratio — 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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AMC 12

1951 AMC 12 Problem 48 1952 AMC 12 Problem 19 1952 AMC 12 Problem 49 1953 AMC 12 Problem 26 1955 AMC 12 Problem 14 1955 AMC 12 Problem 31 1958 AMC 12 Problem 21 1959 AMC 12 Problem 2 1959 AMC 12 Problem 10 1961 AMC 12 Problem 21 1963 AMC 12 Problem 15 1964 AMC 12 Problem 22 1965 AMC 12 Problem 8 1966 AMC 12 Problem 4 1966 AMC 12 Problem 32 1966 AMC 12 Problem 38 1967 AMC 12 Problem 15 1967 AMC 12 Problem 33 1969 AMC 12 Problem 13 1970 AMC 12 Problem 2 1970 AMC 12 Problem 24 1971 AMC 12 Problem 28 1971 AMC 12 Problem 35 1973 AMC 12 Problem 9 1975 AMC 12 Problem 4 1976 AMC 12 Problem 9 1976 AMC 12 Problem 24 1980 AMC 12 Problem 21 1981 AMC 12 Problem 27 1993 AMC 12 Problem 17 2000 AMC 12 Problem 21 2001 AMC 12 Problem 22 2002 AMC 12A Problem 22 2003 AMC 12A Problem 11 2005 AMC 12A Problem 15 2007 AMC 12B Problem 22 2008 AMC 12A Problem 13 2008 AMC 12A Problem 20 2009 AMC 12A Problem 8 2009 AMC 12A Problem 20 2009 AMC 12B Problem 4 2010 AMC 12A Problem 3 2014 AMC 12A Problem 12 2016 AMC 12A Problem 17 2017 AMC 12B Problem 15 2017 AMC 12B Problem 18 2018 AMC 12A Problem 18 2018 AMC 12B Problem 20 2020 AMC 12A Problem 14 2021 AMC 12B Spring Problem 17 2023 AMC 12B Problem 3 2023 AMC 12B Problem 25 2024 AMC 12A Problem 20 2025 AMC 12A Problem 5 2025 AMC 12A Problem 14

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