| Charles Austin Hobbs - Geometry, Solid - 1921 - 216 pages
...volume of a cone whose surface is n times as large? BOOK IX THE SPHERE A sphere is a closed surface, all **points of which are equally distant from a point within called the centre.** Accordingly, the locus of a point in space at a given distance from a given point is a sphere. NOTE.... | |
| Charles Morris - Encyclopedias and dictionaries - 1921 - 612 pages
...Crown Point. Pop. (1910) 15,243; (1920) 16,638. Globe (Bl°D)> a sphere, a round solid body, which **may be conceived to be generated by the revolution of a semicircle** about its diameter. An artificial globe, in geography and astronomy, is a globe of metal, plaster,... | |
| Charles Morris - Encyclopedias and dictionaries - 1921 - 518 pages
...contained under a single surface, which in every part is equally distant from a point called the center. It **may be conceived to be generated by the revolution of a semicircle** about its dinmeter, which remains fixed, and which is hence called the axis of the sphere. A section... | |
| Arthur Schultze, Frank Louis Sevenoak - Geometry - 1913 - 484 pages
...cu. ft. of water weighs 62.5 Ib.) \ BOOK VIII THE SPHERE 693. DBF. A sphere is a solid bounded by a **surface, all the points of which are equally distant from a point.** The fixed point is called the center of the sphere. 694. DBF. The radius of a sphere is a straight... | |
| |