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CIRCLE is a plane figure bounded by a curved line, all the points of which are equally distant from a point within called the centre; as the figure ADB E.
Elements of Geometry and Trigonometry: With Notes - Page 27
by Adrien Marie Legendre - 1828 - 316 pages

## The Elements of Geometry

Henry W. Keigwin - Geometry - 1897 - 250 pages
...sand has half run through ? BOOK VI. THE SPHERE. 519. DEF. A sphere is a solid bounded by a surface all the points of which are equally distant from a point within called the center. The sphere is a closed figure. 520. COR. A sphere is the locus of a semicircle revolved...

## A Practical Arithmetic

George Albert Wentworth - Arithmetic - 1897 - 396 pages
...Angular Measure. 210. A circle is a plane figure bounded by a curved line called the circumference, all points of which are equally distant from a point within called the centre. Any part of the circumference is called an arc. 211. A straight line drawn through the centre, having...

## An Algebraic Arithmetic: Being an Exposition of the Theory and Practice of ...

Silas Ellsworth Coleman - Arithmetic - 1897 - 180 pages
...through it 7.24 in. ? 106. The Sphere. A sphere is a solid bounded by a uniformly curved surface, all points of which are equally distant from a point within called the centre. A sphere is generated by a semicircle rotating about its diameter. The radius and the diameter of the...

## Exercises in Arithmetic

George Albert Wentworth, George Anthony Hill - Arithmetic - 1897 - 476 pages
...feet of brick does the chimney contain ? A Sphere is a solid bounded by a curved surface all pointe of which are equally distant from a point within called the centre. A straight line drawn from the centre to the surface is called a radius, and a straight line drawn...

## Stone; an Illustrated Magazine, Volume 17

Building stones - 1898
...latitude and longitude, difference of direction, etc. A circle is a plane figure, bounded by a curved line, all the points of which are equally distant from a point within called the center. The circumference of a circle is^ its entire boundary line. The arc of a circle is any...

George Albert Wentworth - Arithmetic - 1898 - 424 pages
...plane figure. 137. A circle is a plane figure bounded by a curved line called the circumference, all points of which are equally distant from a point within called the centre. A straight line drawn through the centre, having its ends in the circumference, is called a diameter...

## The Essentials of Geometry (plane)

Webster Wells - Geometry - 1898 - 264 pages
...DEFINITIONS. 142. A circle (O) is a portion of a plane bounded by a curve called a circumference, all points of which are equally distant from a point within, called the centre; as ABCD. An arc is any portion of the circumference ; as AB. A radius is a straight line drawn from...

George Albert Wentworth - Arithmetic - 1898 - 424 pages
...plane figure. 137. A circle is a plane figure bounded by a curved line called the circumference, all points of which are equally distant from a point within called the centre. A straight line drawn through the centre, having its ends in the circumference, is called a diameter;...