| Benjamin Greenleaf - Arithmetic - 1841 - 314 pages
...round pyramid, having a circular base. 8. A sphere is a solid, bounded by one continued conveX surface, **every point of which is equally distant from a point within, called the centre. The** sphere may be conceived to be formed by the revolution of a semicircle about its diameter, which remains... | |
| Richard Abbatt - Spherical astronomy - 1841 - 191 pages
...SECTION V. SPHERICAL GEOMETRY. (68.) Def. A sphere is a solid bounded on all sides by a curve surface, **every point of which is equally distant from a point within, called the centre.** A sphere may be conceived to be generated by a semicircle's revolving about its diameter, which remains... | |
| Arithmetic - 1841 - 218 pages
...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 the diameter, or axis. RULE.... | |
| Charles Davies - Arithmetic - 1843 - 12 pages
...acres. 5. What is the content of a field 27 chains long and 9 rods broad. Ans. 6A. 0R. 12P. § 198- **A circle is a portion of a plane bounded by a curved line, every** part of which is equally distant from a certain point within, called the centre. The curved line AEBD... | |
| Charles Davies - Arithmetic - 1844 - 340 pages
...acres. 5. What is the content of a field 27 chains long and 9 rods broad. Ans. &A. 0R. 12P. § 198- **A circle is a portion of a plane bounded by a curved line, every** part of which is equally distant from a certain point within, called the centre. The curved line AEBD... | |
| Nicholas Tillinghast - Geometry, Plane - 1844 - 96 pages
...EVERY line which is not straight, is called a curve line. 2. A circle is a space enclosed by a curve **line, every point of which is equally distant from a point within** ; which point is called the centre. 3. The boundary of a circle is called its circumference. 4. A radius... | |
| Almon Ticknor - Arithmetic - 1846 - 264 pages
...inches long, and 13 feet, 6 inches wide ? Ans. 2:H yards To measure a circle, area, circumference, <SC **A circle is a portion of a plane bounded by a curved line, every** part of which is equally distant from a certain point within, called the centre. The curved line, AEBD,... | |
| John Lee COMSTOCK - 1846 - 477 pages
...GLOBE. A round or spherical body, more usually called a sphere, bounded by one uniform convex surface, **every point of which is equally distant from a point within, called the centre.** GNOMON. An apparatus used by the ancients for finding the altitudes and declinations of the celestial... | |
| James Robinson (of Boston.) - 1847
...the figure F, the frustum of a cone. 7. A SPHERE, or GLOBE, is a solid, bounded by a convex surface, **every point of which is equally distant from a point within, called the centre. The** sphere may be conceived to be formed by the revolution of a semicircle about its diameter. The figure... | |
| Charles Davies - Arithmetic - 1847 - 360 pages
...aie 20 and 32 chains, and the perpendicular distance between them 26 chains ? Ans. 67A. 2R. 16P 284. **A circle is a portion of a plane bounded by a curved line, every** part of which is equally distant from a certain point within, called the centre. The curved line AEBD... | |
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