KnowraSpherical triangleLinked fromLinked fromThe 8 pages that link to Spherical triangle, each with the reason it gives.All 8Broader topic 3Related 1Narrower topic 2Compared with 2Spherical geometryBroader topic: Its angles sum to more than 180 degrees, revealing the sphere’s curvature.Great circleRelated: Its sides are great-circle arcs rather than flat-plane segments.Triangle areaCompared with: Its area depends on spherical excess, not the flat half-base-times-height rule.Spherical trigonometryBroader topic: Its sides and angles are the basic objects measured by spherical trigonometry.Spherical law of cosinesNarrower topic: The law relates the sides and angles of this curved triangle.Spherical excessBroader topic: Its three interior angles are the angles whose surplus defines spherical excess.Hyperbolic triangleCompared with: Positive curvature makes its angle sum exceed 180 degrees, opposite the hyperbolic case.Legendre's theorem on spherical trianglesNarrower topic: The theorem starts with this curved figure and approximates it in a plane.