Elements of geometry and trigonometry. Revised and adapted to the course of mathematical instruction in the United States (1856)
Legendre, A. M. (Adrien Marie), 1752-1833, Davies, Charles, 1798-1876 · New York : A.S. Barnes · leaf 199
ing parts of Sa. It is plain, that the sum of all the exte-rior ])risms of the pyramid S-ABC is greater than thispyramid ; and also, that the sum of all the interior prismsof the pyramid S-ahc is less than this pyramid. Ilence,the difference, between the sum of all the exterior prismsof one…
Geometry · Trigonometry
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![An illustration from Divina proportione : opera a tutti glingegni perspicaci e curiosi necessaria oue ciascun studioso di philosophia: prospettiua pictura sculptura: architectura: musica: e altre mathematice: suavissima: sotile: e admirabile doctrina consequira: e delecterassi: co[n] varie questione de secretissima scientia (1509)](https://img.insideoutlibrary.com/img/200/ia-divinaproportion00paci-131-359.webp)
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