 | Arithmetic - 1841 - 200 pages
...X. To find the solidity of a globe, or sphere. DEFINITION. — A globe or sphere is (J) a round body bounded by a surface every point of which is equally distant from a point within called the centre; a line passing from one side to the other through the centre is called... | |
 | Charles Davies, William Guy Peck - Mathematics - 1857 - 608 pages
...presents to the mind an idea of a physical unit of measure, called a foot. So a " portion of space bounded by a surface, every point of which is equally distant from a point within, called the centre," is a mere conception of form. When we call it a sphere, we employ... | |
 | Isaac Todhunter - Spherical trigonometry - 1863 - 182 pages
...XIII. Miscellaneous Propositions ...... 109 XIV. Numerical Solution of Spherical Triangles .... 123 I. GREAT AND SMALL CIRCLES. 1. A SPHERE is a solid...any point of the surface with the centre is called a radiw. A straight line drawn through the centre and terminated both ways by the surface is called a... | |
 | Charles Davies - Geometry - 1872 - 464 pages
...the frustum of the cone, along lines which are called elements of cotUact. 12. A SPHERE is a volume bounded by a surface, every point of which is equally distant from a point within called the centre. A sphere may be generated by a semicircle revolving about its diameter... | |
 | Adrien Marie Legendre - Geometry - 1874 - 500 pages
...the frustum of the cone, along lines which are called elements of contact. 12. A SPHERE is a volume bounded by a surface, every point of which is equally distant from a point within called the centre. A sphere may be generated by a semicircle revolving about its diameter... | |
 | Henry Evers - Nautical astronomy - 1875 - 280 pages
...and a like compression is found by these operations." 3. Definitions connected with the Sphere. — A sphere is a solid, bounded by a surface, every point of which is equally distant from a fixed point within it, this fixed point is named the centre of the sphere. The diameter is a straight line passing... | |
 | Thomas Liddell Ainsley - Merchant marine - 1875 - 416 pages
...trigonometry, which is therefore characteristic of this method of navigation. 1 1 c. A Sphere is a solid body bounded by a surface, every point of which is equally distant from a fixed point within it ; this fixed point is called the centre ; the constant distance is called the radius. Every... | |
 | George Ripley, Charles Anderson Dana - Encyclopedias and dictionaries - 1876 - 920 pages
...SPHAGM M. See MOSSES. SPHEXOGRAM& See CUNEIFORM INSOKIPTIOX8. SPHERE (Gr. aQaipd), in geometry, a body bounded by a surface, every point of which is equally distant from a point within called the centre. The figure may bo generated by the. revolution of a semicircle about... | |
 | Thomas Liddell Ainsley - 1880 - 482 pages
...trigonometry, which is therefore characteristic of this method of navigation. 135. A Sphere is a solid body bounded by a surface, every point of which is equally distant from a fixed point within it ; this fixed point is called the centre ; the constant distance is called the radius. Every... | |
 | Charles Davies, Adrien Marie Legendre - Geometry - 1885 - 538 pages
...the frustum of the cone, along lines which are called elements of contact. 12. A SPHERE is a volume bounded by a surface, every point of which is equally distant from a point within called the centre. A sphere may be generated by a semicircle revolving about its diameter... | |
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A sphere is a solid bounded by a surface, every point of which is equally distant from a fixed point called the centre. 
