 | Bothwell Graham - Arithmetic - 1895 - 240 pages
...revolution of a rightangled triangle about its base or perpendicular as an axis. Prism. Cylinder. Cone. A sphere is a solid described by the revolution of a semicircle about its diameter as an axis. A pyramid is a solid having any regular plane (other than the circle) for its base, and... | |
 | Seymour Eaton - 1899 - 362 pages
...other figures, to associate the name with an accurate mathematical definition, such as the following : A sphere is a solid described by the revolution of...semicircle about its diameter, which remains fixed. curved surface, which is such that all points upon it art equidistant from a fixed point within, called... | |
 | W. H. F. Henry - Questions and answers - 1899 - 440 pages
...are called its bases, and the perpendicular distance between them its altitude. 38. What is a Spheref A Sphere is a solid described by the revolution of a semi-circle about its diameter as an axis. The center, radius, and diameter of the sphere are the same as those of the generating... | |
 | Floyd Davis - Mining engineering - 1900 - 148 pages
...solid of roller-like form whose longitudinal section is a parallelogram and cross section a circle. A sphere is a solid described by the revolution of a semicircle about its diameter. Mensuration of Lines. Q. 65. What is the relation of the sides of similar geometrical figures? A. The... | |
 | Euclid - Euclid's Elements - 1904 - 488 pages
...faces, which are equal and equilateral triangles. SOLIDS OF REVOLUTION. 22a. A sphere is a solid figure described by the revolution of a semicircle about its diameter, which remains fixed. The axis of the sphere is the fixed straight line about which the semicircle revolves. The centre of... | |
 | Calvin Franklin Swingle - Engineering - 1906 - 490 pages
...are the circles described by the two revolving sides of the parallelogram. A sphere is a solid figure described by the revolution of a semicircle about its diameter, which remains fixed— Fig. 54. The axis of a sphere is the fixed straight line about which the semicircle revolves. Fif .... | |
 | Charles Westinghouse - Machine design - 1906 - 168 pages
...two revolving sides of the parallelogram. Fig. 54 — Sphere. 55 — Cone. A sphere is a solid figure described by the revolution of a semicircle about its diameter, which remains fixed — Fig. 54. The axis of a sphere is the fixed straight line about which the semicircle revolves. The... | |
 | Joseph H. Rose - Sheet-metal work - 1906 - 340 pages
...are the circles described by the two revolving sides of the parallelogram. A sphere is a solid figure described by the revolution of a semicircle about its diameter, which remains fixed— Fig. 22. The axis of a sphere is the fixed straight line about which the semicircle revolves. The center... | |
 | David Allan Low - Geometrical drawing - 1912 - 468 pages
...which is at the same distance from a point within it called its centre. A sphere may also be defined as a solid described by the revolution of a semicircle about its diameter, which remains stationary. The middle point of the diameter of the semicircle is the centre of the sphere. required... | |
 | Calvin Franklin Swingle - Steam engineering - 1913 - 1270 pages
...are the circles described by the two revolving sides of the parallelogram. A sphere is a solid figure described by the revolution of a semicircle about its diameter, which remains fixed—Fig. 54. The axis of a sphere is the fixed straight line about which the semicircle revolves.... | |
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A sphere is a solid figure described by the revolution of a semicircle about its diameter, which remains unmoved. 
