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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