Hart, C. A. (Clara Avis), b. 1863, Feldman, Daniel D., b. 1872 · New York, American Book Co · leaf 487
E PEI3MAT0ID 1019. Def. A prismatoid is a polyhedron having for basestwo polygons in parallel planes, and for lateral faces trianglesor trapezoids with one side lying in one base, and the oppositevertex or side lying in the other base, of the polyhedron. 1020. Def. The altituda of a prisniatoid is… … Fig. 1.
Geometry, Plane · Geometry, Solid
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