 | Charles Guilford Burnham - Arithmetic - 1841 - 324 pages
...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... | |
 | Richard Abbatt - Spherical astronomy - 1841 - 234 pages
...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 - 200 pages
...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 (LL.D.) - Arithmetic - 1843 - 348 pages
...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 is called the circumference : the point... | |
 | Charles Davies - Arithmetic - 1844 - 666 pages
...content of a field 27 chains long and 9 rods broad. Ans. 6A. 0R. § 1O8- 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 is called the circumference : the point... | |
 | Almon Ticknor - Arithmetic - 1846 - 276 pages
...wide ? Ans. 25 £ yards To measure a circle, area, circumference, 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, is called the circumference ; the point... | |
 | John Lee COMSTOCK (and HOBLYN (Richard Dennis)), John Lee COMSTOCK - 1846 - 506 pages
...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... | |
 | Charles Davies - Arithmetic - 1847 - 368 pages
...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 is called the circumference ; the point... | |
 | James Robinson (of Boston.) - 1847 - 304 pages
...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... | |
 | Benjamin Greenleaf - Arithmetic - 1849 - 336 pages
...regular hexagon, whose sides are each 20 feet, and the perpendicular 17.32 feet ? THE CIRCLE. ART. 325. A CIRCLE is a plane figure bounded by a curved line, every part of which is ) H equally distant from a point, called its centre. The circumference or periphery of a circle is... | |
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A circle is a plane figure bounded by a curved line, every point of which is equally distant from a point within called the center. 
