geometry
Inscribed angle — AMC & AIME Problems
47 problems
Practice every real AMC 8, AMC 10, AMC 12, and AIME problem that uses Inscribed angle — 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: Inscribed Angle Theorem: Chord Case, Inscribed Angles on a Diameter, Inscribed Angle Theorem: Tangent Case.
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
AMC 12
- 1954 AMC 12 Problem 13
- 1954 AMC 12 Problem 19
- 1957 AMC 12 Problem 47
- 1958 AMC 12 Problem 15
- 1958 AMC 12 Problem 42
- 1961 AMC 12 Problem 38
- 1963 AMC 12 Problem 22
- 1964 AMC 12 Problem 36
- 1967 AMC 12 Problem 29
- 1969 AMC 12 Problem 8
- 1971 AMC 12 Problem 5
- 1977 AMC 12 Problem 9
- 1978 AMC 12 Problem 26
- 1983 AMC 12 Problem 10
- 1985 AMC 12 Problem 22
- 1990 AMC 12 Problem 14
- 2001 AMC 12 Problem 17
- 2007 AMC 12A Problem 8
- 2007 AMC 12B Problem 3
- 2011 AMC 12B Problem 20
- 2015 AMC 12B Problem 13
- 2017 AMC 12B Problem 18
- 2025 AMC 12A Problem 8
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