 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.  Observational Geometry - Page 108by William Taylor Campbell - 1899 - 240 pagesFull view - About this book
 | Elias Loomis - Conic sections - 1877 - 458 pages
...be 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... | |
 | 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. —... | |
 | 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... | |
 | Joseph Ficklin - Arithmetic - 1881 - 412 pages
...a sphere is a straight line drawn through the centre, and terminated both ways by the surface. The Radius of a sphere is a straight line drawn from the centre to the surface. 633. The Volume of a solid is the amount of space it contains. 634. The Convex Surface of a solid is... | |
 | Charles Scott Venable - 1881 - 380 pages
...surface is often called the sphere, as the circumference of a circle is often called the circle. 2. 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 the centre and terminated... | |
 | Charles Davies, Adrien Marie Legendre - Geometry - 1885 - 538 pages
...centre. A sphere may be generated by a semicircle revolving about its diameter as an axis. 13. A RADIU8 of a sphere is a straight line drawn from the centre to any point of the surface. A DIAMETER is a straight line through the centre, limited by the surface.... | |
 | James William Nicholson - Arithmetic - 1889 - 408 pages
...curved surface, all points of which are equally distant irom a point within called the centre. The diameter of a sphere is a straight line drawn through the centre, and terminated both ways by the surface. The radius is a straight line drawn from the centre to the surface.... | |
 | Edward Albert Bowser - Geometry - 1890 - 414 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... | |
 | Webster Wells - Geometry - 1894 - 400 pages
...bounded by a surface, all points of which are equally distant from a point within called the centre. 574. 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, 1 laving its extremities in the surface. 575. It follows... | |
 | George Washington Hull - Geometry - 1897 - 408 pages
...centre. A sphere may be generated by the revolution of a semicircle ABC about its diameter AC as an axis. A radius of a sphere is a straight line drawn from the centre to the surface; as OB. A diameter is a straight line drawn through the centre, having its extremities in the surface.... | |
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