Hart, C. A. (Clara Avis), b. 1863, Feldman, Daniel D., b. 1872 · New York, American Book Co · leaf 429
dral angle pierce the surface of asphere. Find the locus of all points of the sphere that are :(a) Equidistant from the three edges of the trihedral angle,(6) Equidistant from the three faces of the trihedral angle. Ex. 1470. Find a point in a plane equidistant from three given pointsin space. Ex.…
Geometry, Plane · Geometry, Solid
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