| Henry McCormick - Geography - 1885 - 424 pages
...fixed point. Is it necessary in this definition to say that the "fixed point" must be within ? Why ? **The radius of a sphere is a straight line drawn from the** center to any point in the surface. The diameter of a sphere is a straight line drawn through the center... | |
| Webster Wells - Geometry - 1886 - 392 pages
...curved surface, all •points of which are equally distant from a point within called the centre. A **radius of a sphere is a straight line drawn from the centre to** the surface, and a diameter is a straight line drawn through the centre, having its extremities in... | |
| Christian Brothers - Arithmetic - 1888 - 242 pages
...through the centre, and terminating at both ends in the circumference. 261. The Radius of a circle **is a straight line drawn from the centre to any point in the** circumference. The radius is one-half the diameter. CASE I. 262. To find the circumference of a circle,... | |
| Edward Albert Bowser - Geometry - 1890 - 393 pages
...sphere may be generated by the revolution of a semicircle ACB about its diameter AB as an axis. 658. A **radius of a sphere is a straight line drawn from the centre to any point** of the surface. A diameter of a sphere is a straight line passing through its centre, and terminating... | |
| Horatio Nelson Robinson - Arithmetic - 1892 - 430 pages
...straight line passing through the center of the sphere, and terminated at both ends by its surface. 548. **The Radius of a sphere is a straight line drawn from the** center to any point in the surface. EXAMPLES. 549. To find the convex surface of a regular pyramid... | |
| Horatio Nelson Robinson - Arithmetic - 1892 - 428 pages
...straight line passing through the center of the sphere, and terminated at both ends by its surface. 548. **The Radius of a sphere is a straight line drawn from the** center to any point in the surface. EXAMPLES. 549. To find the convex surface of a pyramid or cone.... | |
| Henry B. Maglathlin - 1894 - 368 pages
...curved surface, all points of which are equally -rx distant from a point within called the center. 429. **The RADIUS of a sphere is a straight line drawn from the** center to any point in the surface. 430. The DIAMETER of a sphere is a straight line drawn through... | |
| Horatio Nelson Robinson - Arithmetic - 1895 - 526 pages
...straight line passing through the center of the sphere, and terminated at both ends by its surface. 920. **The Radius of a sphere is a straight line drawn from the** center to any point in the surface. Examples. 921. To find the surface of a sphere. 1. Find the surface... | |
| William Taylor Campbell - Geometry - 1899 - 272 pages
...curved, and all parts of it are equally distant from a point within the sphere, which is the centre. A **radius of a sphere is a straight line drawn from the centre to** the surface. A diameter of a sphere is a straight line drawn through the centre and bounded at each... | |
| Webster Wells - Geometry - 1899 - 424 pages
...bounded by a surface, all points of which are equally distant from a point within called the centre. A **radius of a sphere is a straight line drawn from the centre to** the surface. A diameter is a straight line drawn through the centre, having its extremities in the... | |
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