 | Nathan Scholfield - Geometry - 1845 - 506 pages
...in this movement, by the curve DAE, will have all its points equally distant from its centre C. 2. The radius of a sphere is a straight line, drawn from the centre to any point of the surface ; the diameter, or axis, is a line passing through this centre, and terminated on both... | |
 | Nathan Scholfield - Conic sections - 1845 - 542 pages
...in this movement, by the curve DAE, will have all its points equally distant from its centre C. 2. The radius of a sphere is a straight line, drawn from the centre to any point of the surface ; the diameter, or axis, is a line passing through this centre, and terminated on both... | |
 | Nathan Scholfield - 1845 - 894 pages
...in this movement, by the curve DAE, will have all its points equally distant from its centre C. 2. The radius of a sphere is a straight line, drawn from the centre to any point of the surface ; the diameter, or axis, is a line passing through this centre, and terminated on both... | |
 | Anna Cabot Lowell - Geometry - 1846 - 216 pages
...and its circumference into two equal parts, called respectively semi-circles and semi-circumferences. A straight line drawn from the centre to any point in the circumference is called a radius. Two radii drawn in directly opposite directions form a diameter.... | |
 | George Roberts Perkins - Geometry - 1847 - 326 pages
...in this movement, by the curve DAE, witl have all its points equally distant centre C» from the 8. The radius of a sphere* is a straight line drawn from...centre, and terminated on both, sides by the surface.. All the radii of a sphere are equal : all the diameters are equal, and double of the radius. 9. A great... | |
 | Benjamin Peirce - Geometry - 1847 - 204 pages
...generated by the revolution of a semicircle, DAE (fig. 177) about its diameter DE. 417. Definitions. The radius of a sphere is a straight line drawn from the centre to a point in tha Great and Small Circles. Poles. surface ; the diameter or axis is a line passing through... | |
 | Samuel Hunter Christie - 1847 - 172 pages
...angle having its angular point turned towards the interior of the figure. 2. The Radius of a circle is a straight line drawn from the centre to any point in the circumference. 3. An Arc of a circle is any portion of its circumference. 4. The Chord of an arc of... | |
 | Charles William Hackley - Geometry - 1847 - 248 pages
...tant from the center O. The sector of a circle AOC at the same time generates a spherical sector. 2. The radius of a sphere is a straight line drawn from the center to any point on the surface. The diameter or axis of a sphere is a straight line drawn through... | |
 | Thomas Grainger Hall - Trigonometry - 1848 - 192 pages
...surface, every point of which is equidistant from a point within it, called the centre. 2. The radius is a straight line drawn from the centre to any point in the circumference. Any straight line drawn from a point in the surface, through the centre, to meet the... | |
 | Charles Davies - Trigonometry - 1849 - 372 pages
...revolving round its diameter DE, describes the sphere; any circular sector, as DCF or FCH, describes a 10. The radius of a sphere is a straight line drawn from the centre to any point of the surface ; the diameter or axis is a line passing through this centre, and terminated on .both... | |
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The radius of a sphere is a straight line, drawn from the centre to any point... 
