Hart, C. A. (Clara Avis), b. 1863, Feldman, Daniel D., b. 1872 · New York, American Book Co · leaf 356
B C Prism Prismatic Surface 725. Defs. By referring to § 693, the student may give thedefinitions of generatrix and directrix of a prismatic surface.Point these out in the figure. 726. Def. A prism is a polyhedron whose boundary consistsof a prismatic surface and two parallel planes cutting…
Geometry, Plane · Geometry, Solid
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