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A sphere is a solid bounded by a surface all points of which are equally distant from a point within called the centre.
A Grammar Shcool Arithmetic - Page 328
by George Albert Wentworth - 1886 - 372 pages

## Elements of Plane and Spherical Trigonometry: With Practical Applications

Benjamin Greenleaf - Geometry - 1862 - 514 pages
...THE SPHERE, AND ITS PROPERTIES. DEFINITIONS. 497. A SPHERE is a solid, or volume, bounded by a curved surface, all points of which are equally distant from a point within, called the centre. The sphere may be conceived to be formed by the revolution of a semicircle, DAE, about its diameter,...

## Elements of Geometry and Trigonometry: With Practical Applications

Benjamin Greenleaf - Geometry - 1862 - 520 pages
...THE SPHEKE, AND ITS PR0PERTIES. DEFINITIONS. 497. A SPHERE is a solid, or volume, bounded by a curved surface, all points of which are equally distant from a point within, called the centre. The sphere may be conceived to be formed by the revolution of a semicircle, DAE, about its diameter,...

## Elements of Plane and Spherical Trigonometry: With Practical Applications

Benjamin Greenleaf - Geometry - 1861 - 628 pages
...153. The CIRCUMFERENCE or PERIPHERY of a circle is its entire bounding line ; or it is a curved line, all points of which are equally distant from a point within called the centre. 154. A RADIUS of a circle is any straight line drawn from the centre to the circumference ; as the...

## Higher Arithmetic, Or, the Science and Application of Numbers: Combining the ...

James Bates Thomson - Arithmetic - 1862 - 436 pages
...diameter by 3.14159. (Leg. V. 11. Sch.) Note. — The circumference of a circle is a curve line, all the points of which are equally distant from a point within, called the centre. The diameter cfa circle is a straight line which passes through the centre, and is terminated on Doth...

## Elements of Geometry and Trigonometry;: With Practical Applications

Benjamin Greenleaf - Geometry - 1863 - 502 pages
...THE SPHERE, AND ITS PROPERTIES. DEFINITIONS. 497. A SPHERE is a solid, or volume, bounded by a curved surface, all points of which are equally distant from a point within, called the center. The sphere may be conceived to be formed by the revolution of a semicircle, DAE, about...

## Elements of Geometry: With Practical Applications to Mensuration

Benjamin Greenleaf - Geometry - 1863 - 504 pages
...THE SPHERE, AND ITS PROPERTIES. DEFINITIONS. 497. A SPHERE is a solid, or volume, bounded by a curved surface, all points of which are equally distant from a point within, called the center. The sphere may be conceived to be formed by tho revolution of a semicircle, DAE, about...

## Elements of Geometry: With Practical Applications to Mensuration

Benjamin Greenleaf - Geometry - 1866 - 328 pages
...THE SPHEEE, AND ITS PKOPERTTES. DEFINITIONS. 497. A SPHERE is a solid, or volume, bounded by a curved surface, all points of which are equally distant from a point within, called the centre. The sphere may be conceived to be formed by the revolution of a semicircle, DAE, about its diameter,...

## Elements of Geometry: With Practical Applications to Mensuration

Benjamin Greenleaf - Geometry - 1868 - 338 pages
...THE SPHERE, AND ITS PR0PERTIES. DEFINITIONS. 497. A SPHERE is a solid, or volume, bounded by a curved surface, all points of which are equally distant from a point within, called the centre. The sphere may be conceived to be formed by the revolution of a semicircle, DAE, about its diameter,...