Trapezoid — AMC & AIME Problems
Practice every real AMC 8, AMC 10, AMC 12, and AIME problem that uses trapezoid — 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 8
1999 AMC 8 Problem 14 · 2001 AMC 8 Problem 11 · 2003 AMC 8 Problem 21 · 2005 AMC 8 Problem 19 · 2007 AMC 8 Problem 8 · 2008 AMC 8 Problem 4 · 2011 AMC 8 Problem 20 · 2025 AMC 8 Problem 24 · 2026 AMC 8 Problem 23
AMC 10
2001 AMC 10 Problem 24 · 2002 AMC 10A Problem 25 · 2005 AMC 10B Problem 23 · 2006 AMC 10B Problem 24 · 2008 AMC 10A Problem 20 · 2009 AMC 10B Problem 4 · 2012 AMC 10B Problem 19 · 2014 AMC 10B Problem 21 · 2016 AMC 10A Problem 21 · 2018 AMC 10A Problem 24 · 2021 AMC 10A Spring Problem 17 · 2022 AMC 10A Problem 23 · 2022 AMC 10B Problem 16 · 2025 AMC 10B Problem 6
AMC 12
2002 AMC 12B Problem 18 · 2006 AMC 12B Problem 15 · 2008 AMC 12B Problem 25 · 2009 AMC 12B Problem 4 · 2009 AMC 12B Problem 16 · 2012 AMC 12B Problem 20 · 2013 AMC 12B Problem 20 · 2021 AMC 12A Spring Problem 17 · 2021 AMC 12B Spring Problem 11 · 2021 AMC 12B Spring Problem 17 · 2021 AMC 12A Fall Problem 21 · 2021 AMC 12A Fall Problem 24 · 2022 AMC 12A Problem 20 · 2022 AMC 12A Problem 22 · 2023 AMC 12B Problem 11
AIME
2000 AIME II Problem 6 · 2000 AIME II Problem 8 · 2000 AIME II Problem 11 · 2004 AIME II Problem 12 · 2008 AIME I Problem 10 · 2008 AIME II Problem 5 · 2014 AIME I Problem 13 · 2014 AIME II Problem 3 · 2015 AIME I Problem 14 · 2015 AIME II Problem 4 · 2020 AIME II Problem 2 · 2021 AIME I Problem 9 · 2022 AIME I Problem 3 · 2023 AIME II Problem 9 · 2025 AIME I Problem 6