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AMC circles problems

Circle area and circumference, arcs and sectors, chords, tangents, inscribed angles and cyclic quadrilaterals.

243 problems in the archive use these ideas — 123 from the AMC 10 and 120 from the AMC 12.

Picks a problem you have not seen, at about the difficulty you are handling.

60 most recent problems

Newest contests first. Every problem opens with its answer choices, hints and a worked solution.

Use Start circles practice above to keep going through the remaining 183, or browse them by contest in the AMC 12 and AMC 10 archives.

Back to all geometry problems.