Legendre, A. M. (Adrien Marie), 1752-1833, Brewster, David, Sir, 1781-1868, Davies, Charles, 1798-1876 · New York, Wiley & Long · leaf 174
l then coincide w^ith the bases of the frustum of the cone, and the two frustums will coincide and become the same solid. Since the area of a circle is equal to B?.n (Book V. Prop. XII. Cor. 2.), the expression for the solidities of the frustum will become for the first pyramid ^OP x OA^^.for the…
Trigonometry · Geometry
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