Davies, Charles, 1798-1876 · New York and Chicago, A. S. Barnes and company · leaf 132
BOOK VI. L31 Of the Cone … 20. A cone is a solid, described bythe revolution of a right angled triangle,ABC, about one of its sides, CB. The circle described by the revolvingside, AB, is called the base of the cone. The hypothenuse, AC, is called theslant height of the cone, and the surfacedescribed by it, is called the…
Geometry · Plane trigonometry
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