Hart, C. A. (Clara Avis), b. 1863, Feldman, Daniel D., b. 1872 · New York, American Book Co · leaf 399
e, lateral surface, and elementof a cone. Point these out in the figure. 841. Def. A circular cone is a cone containing a circularsection such that a line joining the vertex of the cone to thecenter of the section is perpendicular to the section. Thus in Fig. 4, if section AB oi cone V-CD is a O… … FiG. 2. Cone BOOK VIII 389 843. Defs. In a cone with a circular base, if the line join-ing its vertex to the center of its base is perpendicular to the V
Geometry, Plane · Geometry, Solid
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
