| James B. Dodd - 1853 - 402 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, and terminated both ways by the surface.... | |
| Friedrich Schoedler - Astronomy - 1858 - 728 pages
...surface, and every point of which is equally distant from a point within the sphere, called the centre. **A straight line drawn from the centre to any point of the surface** is a semi-diameter, and the extension of this line to the opposite surface of the sphere is called... | |
| 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...surface ; the diameter or axis is a line passing through** the centre, and terminated, on both sides, by the surface. All the radii of a sphere are equal ; all... | |
| William Somerville Orr - Science - 1854
...bounded by a surface, of which every point is equally distant from a point within it called the centre. **The radius of a sphere is a straight line drawn from the centre to any point** in the sphere. IV. A straight line drawn through the centre, and terminated both ways by the surface... | |
| John Davis - Circle-squaring - 1854 - 156 pages
...of the circle. The radius of a circle is a straight line drawn from the centre to the circumference. **The radius of a sphere is a straight line drawn from the centre to** the surface. An angle is the opening between two lines which meet each other at a point. One straight... | |
| 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. Great circles... | |
| George Roberts Perkins - Geometry - 1856 - 235 pages
...described in this movement by the curve DAE will have all its points equally distant from the centre C. **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, and terminated on both... | |
| Adrien Marie Legendre, Charles Davies - Geometry - 1857 - 444 pages
...the sphere, any circular sector, ae DCF, or FCA, describes a solid, called a spherical sector. 11. **The radius of a sphere is a straight line drawn from...centre to any point of the surface ; the diameter or** axif is a line passing through the centre, and terminated, on both sides, by the surface. All the radii... | |
| Elias Loomis - Conic sections - 1857 - 226 pages
...be described by the revolution of a semicircle ADB, about its diameter AB, which remains unmoved. 2. **The radius of a sphere, is a straight line drawn from the** center to any point of the surface. The diameter, or axis, is a line passing through the center, and... | |
| Elias Loomis - Conic sections - 1858 - 234 pages
...be described by the revolution of a semicircle ADB, about its diameter AB, which remains unmoved. 2. **The radius of a sphere, is a straight line drawn from the** center to any point of the surface. The diameter, or axis, is a line passing through the center, and... | |
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