geometry
Parallelogram — AMC & AIME Problems
34 problems
Practice every real AMC 8, AMC 10, AMC 12, and AIME problem that uses Parallelogram — 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.
LIVE focuses on challenge. As a social enterprise, we also explain standard school concepts one at a time, for free, on our sister site Expii. For this idea: Properties of Parallelograms, Parallelogram Area.
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
AMC 12
- 1955 AMC 12 Problem 48
- 1963 AMC 12 Problem 12
- 1963 AMC 12 Problem 38
- 1964 AMC 12 Problem 17
- 1964 AMC 12 Problem 22
- 1970 AMC 12 Problem 30
- 1974 AMC 12 Problem 25
- 1977 AMC 12 Problem 19
- 1989 AMC 12 Problem 13
- 1990 AMC 12 Problem 4
- 1992 AMC 12 Problem 24
- 2007 AMC 12B Problem 20
- 2013 AMC 12A Problem 9
- 2018 AMC 12A Problem 23
- 2021 AMC 12B Spring Problem 24
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