A curved area bounded by three connected great-circle arcs. The result of interconnecting three points on the surface of a spherical system.
a spherical polygon formed by the arcs of 3 great circles
an area on the Gaussian sphere whose boundaries are segments from three great circles
a triangle drawn on the surface of a sphere
a 'triangle' on the surface of a sphere whose three sides are arcs of great circles
Curved Area Bounded by 3 Connected Great-Circle Arcs