Davies, Charles, 1798-1876 · New York and Chicago, A. S. Barnes and company · leaf 131
^F 18. ff a cylinder be cut by a plane par-allel to the base, the section will be a cir-cle equal to the base. For, while theside FCy of the rectangle MC, describesthe lower base, the equal side MP, willdescribe the circle MLKN, equal to thelower base. … 19 If a polygon be inscribed in thelower base of a cylinder, and a corres-ponding polygon be inscribed in the upperbase, and their vertices be joined bystraight lines, the prism thus formed issaid to be inscribed in the cylinder.
Geometry · Plane trigonometry
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