Legendre, A. M. (Adrien Marie), 1752-1833, Brewster, David, Sir, 1781-1868, Davies, Charles, 1798-1876 · New York, Wiley & Long · leaf 153
so are the lateral faces,the edges AI, OQ, &:c. being perpendicularto the plane of the base ; hence the solid APis a rectangular parallelopipedon. But thetwo parallelopipedons AP, AL may be con-ceived as having the same base ABKI andthe same altitude AO : hence the parallelopipedon AG, whichwas… … PROPOSITION XI. THEOREM. Two rectangular parallelopipedons, which have the same basCfare to each other as their altitudes. 154 GEOMETRY. O-f ■m A vF \ H K A Let the parallelopipedons AG, AL, have the same base BD,then will they be to each other as their altitudes AE, AT. Firsts suppose the…
Trigonometry · Geometry
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