 | Robert Simson - 1806 - 546 páginas
...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... | |
 | John Playfair - 1806 - 320 páginas
...the semicircle revolves. .' IX. The centre of a sphere is the same with that of the semicircle, X. The diameter of a sphere is any straight line which...terminated both ways by the superficies of the sphere. I XL A cone is a solid figure described by the revolution of a right angled triangle about one of the... | |
 | John Mason Good - 1813 - 714 páginas
...parallel to one another; and the ethers parallelograms. 14. A sphere is a solid fijurc described by tht revolution of a semicircle about its diameter which...terminated both ways by the superficies of the sphere. 1 8. A cone is a solid figure described by the revolution of a right angled triangle about one of the... | |
 | Euclides - 1814 - 560 páginas
...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 passes through the-centre, and is terminated both ways by the superficies of the sphere. XVIII. A cone is a solid... | |
 | Euclides - 1816 - 588 páginas
...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... | |
 | John Playfair - 1819 - 350 páginas
...the semicircle revolves. IX. / The centre of a sphere is the same with that of the semicircle. . X. The diameter of a sphere is any straight line which...terminated both ways by the superficies of the sphere. XI. A cone is a solid figure described by the revolution of a right angled triangle about one of the... | |
 | Peter Nicholson - 1825 - 1046 páginas
...the semicircle revolve». 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... | |
 | Robert Simson - 1827 - 546 páginas
...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... | |
 | John Playfair - 1829 - 210 páginas
...revolves. 9. The centre of a sphere is the same with that of a semicircle by which it is described. 10. The diameter of a sphere is any straight line which...terminated both ways by the superficies of the sphere. 11. A cone is a solid figure described by the revolution of a straight line round the circumference... | |
 | Pierce Morton - 1830 - 584 páginas
...surface is called the raditis, or sometimes the semidiameter of the sphere, because it is the half of a straight line which passes through the centre, and is terminated both ways by the surface, which straight line is called a diameter. Such a figure may be conceived to be generated by... | |
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A cone is a solid figure described by the revolution of a right-angled triangle about one of the sides containing the right angle, which side remains fixed. 
