KnowraInscribed angle theoremLinked fromLinked fromThe 18 pages that link to Inscribed angle theorem, each with the reason it gives.All 18Broader topic 1Related 15Narrower topic 2Cyclic quadrilateralNarrower topic: It explains why opposite angles intercept arcs that together make a full circle.Thales' theoremNarrower topic: The theorem follows when the corresponding central angle spans a semicircle.