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THE sphere is a solid terminated by a curve surface, all the points of which are equally distant from a point within, called the centre.
Elements of Geometry: With, Practical Applications - Page 231
by George Roberts Perkins - 1850 - 320 pages

## The Architect's and Builder's Pocket-book: A Handbook for Architects ...

Frank Eugene Kidder - Architecture - 1908 - 1756 pages
...perimeter is the boundary line of a plane figure. A circle is a portion of a plane bounded by a curve, all the points of which are equally distant from a point within called the centre (Fig. 19). The circumference is the curve which bounds the circle. A radius is any straight line drawn...

## New Plane Geometry

Webster Wells - Geometry, Plane - 1908 - 208 pages
...B 23. We define a circle as a portion of a plane bounded by a curve, called the circumference, all points of which are equally distant from a point within called the centre. An arc is any portion of the circumference ; as AB. A radius is a straight line drawn from the centre...

## New Plane and Solid Geometry

Webster Wells - Geometry - 1908 - 338 pages
...legs. 23. We define a circle as a portion of a plane bounded by a curve, called the circumference, all points of which are equally distant from a point within called the centre. An arc is any portion of the circumference ; as AB. A radius is a straight line drawn from the centre...

## An Introductory Logic

James Edwin Creighton - Logic - 1909 - 548 pages
...mathematics, for example, a circle may be defined equally well as 'a plane figure bounded by a line, all points of which are equally distant from a point within called the centre,' or as' the plane figure generated by revolving a straight line about one of its extremities which remains...

## Kimball's Commercial Arithmetic: Prepared for Use in Normal, Commercial and ...

Gustavus Sylvester Kimball - Business mathematics - 1911 - 444 pages
...edge of which is a unit of some known length. 365. A sphere is a body bounded by a uniformly curved surface, all the points of which are equally distant from a point within, called the center. 366. To find the convex surface of any prism or cylinder. Rule. Multiply the perimeter...

## Industrial Drawing and Geometry: An Introduction to Various Branches of ...

Henry John Spooner - Geometrical drawing - 1911 - 196 pages
...uniform surface, every point of which is equally distant from a point within called the centre, and may be conceived to be generated by the revolution of a semicircle about its diameter, which is fixed. All sections i Archimedes (287 RC) discovered that the solidity...

## Everybody's Cyclopedia, Volume 2

Charles Leonard-Stuart, George Jotham Hagar - Encyclopedias and dictionaries - 1912 - 684 pages
...Interoceanic Railroad Company. He died in Panama in 1857. Globe, a sphere, a round solid body which may be conceived to be generated by the revolution of a semicircle about its diameter. Globe, or artificial globe, in geography and astronomy, is more particularly used...

## Schultze and Sevenoak's Plane and Solid Geometry

Arthur Schultze, Frank Louis Sevenoak - Geometry - 1913 - 488 pages
...(1 cu. ft. of water weighs 62.5 Ib.) BOOK VIII THE SPHERE 693. DBF. A sphere is a solid bounded by a surface, all the points of which are equally distant from a point. The fixed point is called the center of the sphere. 694'. DBF. The radius of a sphere is a straight...