| 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.... | |
| John Lee Comstock, Richard D. Hoblyn - 1846 - 506 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 - 302 pages
...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... | |
| William Vogdes - Arithmetic - 1847 - 256 pages
...perpendicular falling upon it from the opposite angle. 30. A circle is a plane figure bounded by a curve line **which is equally distant from a point within, called the centre. The** boundary line is called the circumference. 31. An arc is any portion of the circumference. 32. A semicircle... | |
| Benjamin Greenleaf - Arithmetic - 1849 - 336 pages
...inches ? THE SPHERE. ART. 348. A SPHERE is a solid, bounded by one continued convex surface, every part **of which is equally distant from a point within, called the centre. The** axis or diameter of a sphere is a line passing through the centre, and terminated by the surface. QUESTIONS.... | |
| Benjamin Greenleaf - Arithmetic - 1850 - 368 pages
...top terminated in a point or vertex. 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... | |
| Charles Guilford Burnham - 1850 - 352 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... | |
| John Weale - Architecture - 1850 - 590 pages
...the top of a bed or canopy Sphere, in geometry, a globe, a solid contained under one uniform surface, **every point of which is equally distant from a point within, called the centre** of the sphere, and may be conceived to be generated by the revolution of a semicircle aboui its diameter,... | |
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