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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

## Elements of Geometry and Trigonometry

Adrien Marie Legendre - Geometry - 1871 - 492 pages
...quantities are proportionals. BOOK III. THE CIKCLE AND THE MEAS UBE1IENT OF ANGLES DEFINITIONS. 1. A CIKCLE is a plane figure, bounded by a curved line, every...distant from a point within, called the centre. The bounding line is called the circumference. 2. A RADIUS is a straight line drawn from the centre to...

## The Illustrative Practical Arithmetic by a Natural Method with Dictation ...

George Augustus Walton, Electa N. L. Walton - Arithmetic - 1871 - 348 pages
...surface of a slate, is a plane surface. 336. A plane surface, as in Fig. 1, bounded by a line, every part of which is equally distant from a point within, called the centre, is a Circle. 337. The bounding line is called the Circumference of the circle. Any part of the circumference...

## An Elementary Geometry and Trigonometry

William Frothingham Bradbury - Geometry - 1872 - 268 pages
...CIRCLE. DEFINITIONS. 1. A Circle is a piano figure bounded by a curved line called the circumference, every point of which is equally distant from a point within called the centre ; as ABD E. 2. The Radius of a circle is a lino drawn from the centre to the circumference ; as C D....

## An Elementary Geometry

William Frothingham Bradbury - Geometry - 1872 - 124 pages
...CIRCLE. DEFINITIONS. 1. A Circle is a plane figure bounded by a curved line called the circumference, every point of which is equally distant from a point within called the centre ; as ABD E. 2. The Eadius of a circle is a line drawn from the centre to the circumference ; as C D....

## Elements of Geometry and Trigonometry from the Works of A.M. Legendre ...

Charles Davies - Geometry - 1872 - 464 pages
...cone, along lines which are called elements of cotUact. 12. A SPHERE is a volume bounded by a surface, every point of which is equally distant from a point within called the centre. A sphere may be generated by a semicircle revolving about its diameter as an axis. 13. A RADIUS of...

## A Practical Arithmetic: Upon the Basis of the Works of Geo. R. Perkins

George Payn Quackenbos - Arithmetic - 1872 - 348 pages
...at 20c. a cubic foot? Ans. \$8.48. 537. SPHERES. — A Sphere is a body bounded by a curved surface, every point of which is equally distant from a point within, called the centre. RULES. — I. To find the surface of a sphere, multiply the square of the diameter by 3.14159. IL To...

## A Treatise on Special Or Elementary Geometry

Edward Olney - 1872 - 270 pages
...ITS CLOSE. SECTION V. OF THE SPHERE.* 532. A Sphere is a solid bounded by a surface every point in which is equally distant from a point within called the Centre. The distance from the centre to the surface is the Radius, and a line passing through the centre and limited...

## The Arithmetic Help for Pupils, Teachers, Business Men

Alvord D. Robinson - Arithmetic - 1902 - 652 pages
...and longitude, and computing differences in time. A Circle is a plane figure bounded by a curved Une, every point of which is equally distant from a point within, called the center. The Circumference is the bounding line of a circle. The Radius of a circle is a straight...