 | Euclid, Charles Peter Mason - Geometry - 1872 - 216 pages
...point in it is at the same distance from a certain point within, which is called the centre. Def. F. A straight line drawn from the centre to a point in the circumference, is called a radius of the circle. It is another mode of stating the definition of a... | |
 | Edward Payson Jackson - Astronomical geography - 1872 - 154 pages
...24 t The Diameter of a Sphere is a straight line drawn from the center both ways to the surface. 25. The Radius of a Sphere is a straight line drawn from the center to the surface. 26. Great Circles of a Sphere are circumferences of the sphere. (See § 14.)... | |
 | 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... | |
 | 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 - 500 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... | |
 | 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... | |
 | Daniel W. Fish - Arithmetic - 1874 - 302 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... | |
 | 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 - 496 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.... | |
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The radius of a sphere, is a straight line drawn from the center to any point of the surface. 
