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A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Fish's Arithmetic Number Two: Oral and Written, Upon the Inductive Method - Page 275
by Daniel W. Fish - 1883 - 352 pages

## The National Arithmetic ...: Combining the Analytic and Synthetic Methods ...

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...

## The Elements of Plane and Spherical Trigonometry: And Its Application to ...

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...

## Welch's Improved American Arithmetic: Adapted to the Currency of the United ...

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....

## A Manual of Natural Philosophy

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...

## The American Arithmetic

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...

## The United States Arithmetic: Designed for Academies and Schools

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...

## Introduction to The National Arithmetic: On the Inductive System Combining ...

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....

## The National Arithmetic on the Inductive System: Combining the Analytic and ...

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...