| Richard Abbatt - Mathematics - 1841 - 191 pages
...miles. 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... | |
| Benjamin Greenleaf - Mathematics - 1841 - 314 pages
...is a 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... | |
| John Lee Comstock, Richard Dennis Hoblyn - 1846
...quarter. 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
...pyramid, and 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... | |
| Elias Loomis - Conic sections - 1849 - 226 pages
...THE CIRCLE, AND THE MEASURE OF ANGLES. Definitions. 1. A circle is a plane figure bounded by a line, **every point of which is equally distant from a point within, called** the center. This bounding line is called the circumference of the circle. 2. A radius of a circle is... | |
| Benjamin Greenleaf - Arithmetic - 1849 - 324 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.... | |
| Charles Guilford Burnham - 1850
...is a 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... | |
| Benjamin Greenleaf - Arithmetic - 1850 - 360 pages
...and its 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... | |
| John Weale - 1850
...frame at 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 about its diameter,... | |
| Alexander Ingram - 1851
...its two ends, and its upright sides trapezoids. 9. A SPHERE, or GLOBE, is a solid bounded by a curve **surface, every point of which is equally distant from a point within** it called the centre. NOTE. A Sphere may be conceived to be generated by a semicircle revolving about... | |
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