 | Euclid - Geometry - 1845 - 218 pages
...the semicircle revolves. XVI. The centre of a sphere is the same with that of the semicircle. XVII. The diameter of a sphere is any straight line which...terminated both ways by the superficies of the sphere. XVIII. A cone is a solid figure described by the revolution of a right-angled triangle about one of... | |
 | Euclides - 1845 - 546 pages
...the semicircle revolves. XVI. The centre of a sphere is the same with that of the semicircle. XVII. The diameter of a sphere is any straight line which...terminated both ways by the superficies of the sphere. XVIII. A cone is a solid figure described by the revolution of a right-angled triangle about one of... | |
 | Euclid, James Thomson - Geometry - 1845 - 382 pages
...semicircle revolves. 19. The centre of a sphere is the same as that of the generating semicircle. 20. A diameter of a sphere is any straight line which passes...through the centre, and is terminated both ways by its surface. 21. A cone is a solid figure described by the revolution of a rightangled triangle about... | |
 | Euclides - 1846 - 292 pages
...the semicircle revolves. xvi. The centre of a sphere is the same with that of the semicircle. xvn. The diameter of a sphere is any straight line which...terminated both ways by the superficies of the sphere. xvni. A cone is a solid figure described by the revolution of a right-angled triangle about one of... | |
 | Samuel Hunter Christie - 1847 - 172 pages
...which the semicircle revolves. 18. The Centre of a sphere is the same with that of the semicircle. 19. The Diameter of a sphere is any straight line which...through the centre, and is terminated both ways by the surface of the sphere. 20. A Cone is a solid figure contained by a circle and the surface described... | |
 | Euclides - 1848 - 52 pages
...the semicircle revolves. XVI. The centre of a sphere is the same with that of the semicircle. XVII. The diameter of a sphere is any straight line which...terminated both ways by the superficies of the sphere. XVIII. A cone is a solid figure described by the revolution of a right-angled triangle about one of... | |
 | Charles Richson - 1848 - 98 pages
...2. " The axis of a sphere is the fixed straight line about which the semicircle revolves." 68 4. " The diameter of a sphere is any straight line which...through the centre, and is terminated both ways by the superfices of the sphere." EXERCISES. — 1. The sphere as described above. 2. The cone within a pyramid.... | |
 | Euclid, John Playfair - Geometry - 1853 - 336 pages
...which the semicircle revolves. 9. The centre of a sphere is the same with that of the semicircle. 10. The diameter of a sphere is any straight line which...terminated both ways by the superficies of the sphere 1 1. A cone is a solid figure described by the revolution of a right angled triangle about one of the... | |
 | Euclides - 1855 - 270 pages
...sphere, from which all the equal straight lines are drawn to the superficies, is called the centre. XVII. The diameter of a sphere is any straight line which...terminated both ways by the superficies of the sphere. The straight line drawn from the centre to the superficies of a sphere is called its radius ХТШ.... | |
 | Euclides - 1855 - 230 pages
...semicircle revolves. 14. The CENTER op A SPHERE is the same with that of the generating semicircle. 15. The DIAMETER OF A SPHERE is any straight line which passes through its center, and is terminated both ways by the superficies of the sphere. 16. A CONE is a solid figure... | |
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The diameter of a sphere is any straight line which passes through the centre, and is terminated both ways by the superficies of the sphere. 
