A triangle formed by the arcs of three geodesics on a smooth surface.
Geodesic Triangle
See also
Integral Curvature, Spherical TriangleExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Geodesic Triangle." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/GeodesicTriangle.html