 | 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 the center, and terminated... | |
 | 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 the centre to any point in, the surface ; the diameter, or axis, is a line passing through this centre,... | |
 | 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... | |
 | 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... | |
 | Anna Cabot Lowell - Astronomy - 1850 - 378 pages
...curved surface, all the points of which are equally distant from a point within called the centre. The radius of a sphere is a straight line drawn from the centre to a point in the surface ; the diameter, or axis, is a line passing through the centre, and... | |
 | Adrien Marie Legendre - Geometry - 1852 - 436 pages
...the sphere, any circular sector, as DCF) or FCAj describes a solid, called a spherical sector. 11. 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 the centre, and... | |
 | James B. Dodd - Arithmetic - 1852 - 410 pages
...described by revolving a semicircle ACB about its diameter AB — this diameter remaining unmoved. The radius of a sphere is a straight line drawn from the centre to any point of the surface ; and a diameter is a straight line passing through the centre,... | |
 | James B. Dodd - 1853 - 398 pages
...bounded by a curved surface, all points of which are equidistant from a point within called the centre. The radius of a sphere is a straight line drawn from the centre to any point of the surface; and a. diameter is a straight line passing through the centre,... | |
 | Charles Davies - Geometry - 1854 - 436 pages
...the sphere, any circular sector, as DCF, or FCA, describes a solid, called a spherical sector. 11. 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 the centre, and... | |
 | Henry Kiddle - 1854 - 154 pages
...sphere is a straight line drawn through the centre, terminated both ways by the surface of the sphere. The radius of a sphere is a straight line drawn from the centre to the surface. Circles drawn on the surface of a sphere are of two kinds, great and small.... | |
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The radius of a sphere, is a straight line drawn from the center to any point of the surface. 
