| Francis Nichols - Plane trigonometry - 1811 - 162 pages
...of a semicircle about its diameter, which remains unmoved, and is called the axis of the sphere. 2. A diameter of a sphere is a straight line passing through the centre, and terminated both ways by the convex surface. 3. The circles of the sphere are of two denominations, great circles,... | |
| Jeremiah Day - Measurement - 1815 - 388 pages
...West's Mathematics, Legendre's,Clairaut's, and Camus' Geometry. G part of the surface. A diameter Is a line passing through the centre, and terminated at both ends by the surface. The circumference is the same as the circumference of a circle whose plane passes through the centre... | |
| Thomas Keith - 1817 - 306 pages
...point within the figure, every where equally distant from the convex surface. 35. The diameter or axis of a sphere, is a straight line passing through the centre, and terminated at each extremity by the surface of the sphere. 16. The zone of a sphere is that part which is contained... | |
| Jeremiah Day - Geometry - 1824 - 440 pages
...A radius of the sphere is a line drawn from the centre to any part of the surface. A diameter is a line passing through the centre, and terminated at both ends by the surface. The circumference is the same as the circumference of a circle whose plane passes through the centre... | |
| Alexander Ingram - Mathematics - 1830 - 458 pages
...A sphere may be conceived to be generated by a semicircle revolving about its diameter. The axis or diameter of a sphere is a straight line passing through the centre, and both ends terminating at the surface. Any circle formed from the section of a sphere by a plane passing... | |
| A. Bell - Conic sections - 1837 - 180 pages
...the semicircle revolves ; and its centre is the same as that of the generating semicircle. 11. The diameter of a sphere is a straight line passing through the centre of the sphere, and terminated at each extremity by the surface. 12. A right cone is a solid described... | |
| Leonard Dunnell Gale - Physics - 1838 - 280 pages
...DENSITY. See page 18. DIAGONAL. A line drawn so as to connect two remote angles of a square. DIAMETER. A straight line passing through the centre and terminated at both ends. DILATATION. The act of increasing in size. DIOPTRICS. That division of Optics which treats of the refraction... | |
| James S. Russell - Arithmetic - 1847 - 340 pages
...is a solid whose surface is so curved that all its points are equally distant from the centre. 60. A diameter of a sphere is a straight line passing through the centre and terminated by the surface. 61. A radius of a sphere is a 'straight line extending from the centre to the surface.... | |
| Jeremiah Day - Logarithms - 1848 - 354 pages
...A radius of the sphere is a line drawn from the centre to any part of the surface. A diameter is a line passing through the centre, and terminated at both ends by the surface. The circumference is the same as the circumference of a circle whose plane passes through the centre... | |
| Benjamin Greenleaf - Arithmetic - 1849 - 336 pages
...convex surface, every part of which is equally distant from a point within, called the centre. The diameter of a sphere is a straight line passing through the centre, and terminated by the surface ; as A B. B ART. 285. A CONE is a solid having a circle for its base, and its top terminated... | |
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