Hart, C. A. (Clara Avis), b. 1863, Feldman, Daniel D., b. 1872 · New York, American Book Co · leaf 440
The bounding arcs are called the sides of the polygon, thepoints of intersection of the arcs are the vertices of the poly-gon, and the spherical angles formed by the sides are theangles of the polygon. 430 SOLID GEOMETRY 937. Def. A diagonal of a spherical polygon is an arc of a great circle…
Geometry, Plane · Geometry, Solid
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