The elements of Euclid for the use of schools and colleges; comprising the first six books and portions of the eleventh and twelfth books; (1903)
Euclid, Todhunter, I. (Isaac), 1820-1884, ed. edt, Simson, Robert, 1687-1768, ed. edt · London; New York, Macmillan · leaf 295
mid is a polyhedron which hasfor one face a triangle or polygon, and forthe other faces triangles whose bases are thesides of the polygon, and a point which doesnot lie in the plane of the polygon as thecommon vertex. 14. A prism is a polyhedron con-tained by plane figures, of which twothat are… … 284 EUCLIDS FXEMENTS. 16. The axis of a sphere is the fixed straight line aboutwhich the semicircle revolves. 17. The centre of a sphere is the same as that of the semi-circle. The diameter of a sphere is any straight line which passesthrough the centre, and is terminated both ways by the…
Euclid's Elements · Geometry · Mathematics, Greek
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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-53-76.webp)
![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-246-435.webp)
