| Henry Kiddle - Astronomy - 1870 - 194 pages
...straight line Hrawn through the centre, and terminated both ways by the surface of the sphere. 32. Tlie **Radius of a sphere is a straight line drawn from the centre to any point** of the surface. 33. Circles drawn on the surface of a sphere are either Great Circles or Small Circles.... | |
| Benjamin Greenleaf - Geometry - 1873 - 202 pages
...be formed by the revolution of a semicircle, DAE, about its diameter, DE, which remains fixed. 329. **The Radius of a sphere is a straight line drawn from the** center to any point in the surface, as the line C B. BOOK VI. Hence, all the radii of a sphere are... | |
| Henry Bartlett Maglathlin - Arithmetic - 1873 - 362 pages
...surface, all points of which are equally •.-, 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... | |
| Adrien Marie Legendre - Geometry - 1874 - 512 pages
...the centre. A sphere may be generated by a semicircle revolving about its diameter as an axis. 13. A **RADIUS of a sphere is a straight line drawn from the centre to any point** of the surface. A DIAMETER is any straight line drawn through the centre and limited at both extremities... | |
| Daniel W. Fish - Arithmetic - 1874 - 300 pages
...straight line passing through the center of the sphere, and terminated at both ends by its surface. 931. **The Radius of a sphere is a straight line drawn from the** center to any point in the surface. 932. To find the surface of a sphere. 1. Find the surface of a... | |
| Benjamin Greenleaf - Geometry - 1874 - 206 pages
...be formed by the revolution of a semicircle, DAE, about its diameter, DE, which remains fixed. 329. **The Radius of a sphere is a straight line drawn from the** center to any point in the surface, as the line C B. BOOK VI. Hence, all the radii of a sphere are... | |
| Horatio Nelson Robinson - Arithmetic - 1875 - 462 pages
...straight line passing through the center of the sphere, and terminated at both ends by its surface. 774. **The Radius of a sphere is a straight line drawn from the** center to any point in the surface. PROBLEMS. 775. To find the convex surface of a pyramid or cone.... | |
| Horatio Nelson Robinson - Arithmetic - 1875 - 456 pages
...straight line passing through the center of the sphere, and terminated at both ends by its surface. 774. **The Radius of a sphere is a straight line drawn from the** center to any point in the surface. PROBLEMS. 775. To find the convex surface of a pyramid or cone.... | |
| Ellen Eliza Fitz - Globes - 1876 - 138 pages
...centre. A sphere may be formed or generated by the revolution of a semicircle about its diameter. 14. **The radius of a sphere is a straight line drawn from the centre to any** part of the surface. 15. The diameter of a sphere is a straight line passing through the centre, and... | |
| Albert Newton Raub - Arithmetic - 1877 - 348 pages
...diameter of a sphere is a straight line passing through the centre and ending in the surface. 372. **The radius of a sphere is a straight line drawn from the centre to any point in the surface. The** following are the principles applying to the sphere : PRINCIPLES. — 1. The surface of a sphere equals... | |
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