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 sides by the surface. Elements of Geometry and Trigonometry - Page 168by Adrien Marie Legendre - 1837 - 359 pagesFull view - About this book
| Adrien Marie Legendre - Geometry - 1874 - 512 pages
...from a point within, called the centre. The bounding line is called the circumference. 2. A RADIUS **is a straight line drawn from the centre to any point of the** circumference. 8. A DIAMETER is a straight line drawn through the centre and terminating in the circumference.... | |
| 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... | |
| Elias Loomis - Geometry - 1877 - 458 pages
...described by the revolution of a semicircle ADB about its diameter AB, which remains unmoved. 2. 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 terminated each way by the surface. All... | |
| Henry Kiddle - Astronomy - 1877 - 296 pages
...Fig. 14. through the centre, and terminated both ways by the surface of the sphere. 33. The EADIUS **of a sphere is a straight line drawn from the centre to any point of the surface.** 34. Circles drawn on the surface of a sphere are either GREAT CIRCLES or SMALL CIRCLES. 35. GBEAT CIRCLES... | |
| 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... | |
| Isaac Todhunter - Philosophy - 1877 - 452 pages
...every point of its surface equally distant from a certain point called the centre of the sphere. 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 terminated both... | |
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