 | D. M. Knapen - Measurement - 1849 - 300 pages
...line drawn through the centre, and terminating at the surface at both extremities, is a diameter. The sphere may be generated by the revolution of a semicircle about its axis ; and it may be considered as composed of an infinite number of cones or pyramids, whose bases... | |
 | David Munn - 1873 - 160 pages
...bounded by a surface, all points of which are equally distant from a point within it, called the centre. A sphere may be generated by the revolution of a semicircle about its diameter as an axis, for a surface thus generated will evidently have all its points equally distant... | |
 | Aaron Schuyler - Geometry - 1876 - 384 pages
...bounded by a surface all of whose points are equally distant from a point within, called the center. A sphere may be generated by the revolution of a semicircle about its diameter as an axis. 2. A radius of a sphere is the distance from the center to any point of the surface.... | |
 | George Albert Wentworth - Geometry - 1877 - 416 pages
...bounded by a surface all points of which are equally distant from a point within called the centre. A sphere may be generated by the revolution of a semicircle about its diameter as an axis. 670. DBF. A Radius of a sphere is the distance from its centre to any point in... | |
 | David Allan Low - 1884 - 178 pages
...Surfaces may be considered as 'generated' by a line, straight or curved, moving in a definite manner. Thus a sphere may be generated by the revolution of a semicircle about its diameter, and a plane may be generated by a straight line moving parallel to itself along a fixed straight... | |
 | Charles Ambrose Van Velzer, George Clinton Shutts - Geometry - 1894 - 522 pages
...point is called the center of the sphere, and the bounding surface is called the surface of the sphere. A sphere may be generated by the revolution of a semicircle about its diameter. In higher branches of mathematics the word sphere is used to denote what is here spoken of... | |
 | John Macnie - Geometry - 1895 - 386 pages
...curved surface all the points of which are equally distant from a point within, called the center. Hence a sphere may be generated by the revolution of a semicircle about its diameter as axis. 584. A radius of a sphere is any straight line drawn from the center to the surface.... | |
 | James Howard Gore - Geometry - 1898 - 232 pages
...bounded by a surface, all points of which are equally distant from a point within called the centre. A sphere may be generated by the revolution of a semicircle about its diameter as an axis. 476. A Radius of a sphere is the distance from its centre to any point in the... | |
 | William James Milne - Geometry - 1899 - 398 pages
...is equally distant from a point within, is called a Sphere.* The point within is called the center. A sphere may be generated by the revolution of a semicircle about its diameter as an axis. 637. A straight line drawn from the center to any point of the surface of a sphere... | |
 | Webster Wells - Geometry - 1899 - 180 pages
...faces are tangent to the sphere; in this case the sphere is said to be inscribed in the polyedron. 565. A sphere may be generated by the revolution of a semicircle about its diameter as an axis. For all points of such a surface are equally distant from the centre of the O.... | |
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A sphere may be generated by the revolution of a semi-circle about its diameter as an axis. 
