Books Books 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. An Advanced Arithmetic for High Schools, Normal Schools, and Academies - Page 68
by George Albert Wentworth - 1898 - 400 pages ## Elements of Geometry

Adrien Marie Legendre - Geometry - 1819 - 208 pages
...THIRD. Of the Sphere. DEFTNITIONS. 437. A sphere is a solid terminated by a curved surface all the points of which are equally distant from a point within called the centre. The sphere may be conceived to be generated by the revolution of a semicircle I LIE (Jig. 220) about... ## Elements of Geometry and Trigonometry: With Notes

Adrien Marie Legendre - Geometry - 1822 - 367 pages
...MEASUREMENT OF ITS ANGLES. Definitions. \ • I. 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 circle is the space terminated by this curve line. Note. In common language, the circle is sometimes... ## A Treatise on Practical Gauging

Anthony Nesbit, W. Little - Gaging - 1822 - 533 pages
...48. The arc of a quadrant contains 90 degrees, which is the measure of a right angle. 49. An ellipse is a plane figure bounded by a curved line, called the circumference; but as the figure is not a circle, it is described from two points in the loneest diameter, called... ## A Treatise on Practical Mensuration in Eight Parts ...

Anthony Nesbit - Measurement - 1824 - 434 pages
...regular polygon has all its sides and angles equal ; when they are unequal, the polygon is irregular. 38. A circle is a plane figure, bounded by a curved line, called the circumference, which is every where equi-distant from a certain po.int within it, called the centre. H 39. The diameter... ## Elements of Geometry...: Translated from the French for the Use of the ...

Adrien Marie Legendre, John Farrar - Geometry - 1825 - 224 pages
...THIRD. • Of the Sphere. DEFINITIONS. 437. A sphere is a solid terminated by a curved surface all the points of which are equally distant from a point within called the centre. The sphere may be conceived to be generated by the revolution of a semicircle DAE (fig. 220) about... ## Elements of Geometry

Adrien Marie Legendre - Geometry - 1825 - 224 pages
...P:p::A3:a3. Of the Sphere. • DEFINITIONS. 437. A sphere is a solid terminated by a curved surface all the points of which are equally distant from a point within called the centre. The sphere may be conceived to be generated by the revolution of a semicircle DAE (fig. 220) about... ## Elements of Geometry: With Practical Applications, for the Use of Schools

Timothy Walker - Geometry - 1829 - 129 pages
...described by the point B the circumference of a circle, which we define to be — a curved line fill the points of which are equally distant from a point within called the centre — . The whole space enclosed is called a circle, the moving line AB a radius, and the fixed point... ## Elements of Geometry and Trigonometry

Adrien Marie Legendre - Geometry - 1836 - 359 pages
...THE MEASUREMENT OF ANGLES. Definitions. 1. The circumference of a circle is a curved line, all the points of which are equally distant from a point within, called the centre. The circle is the space terminated by this curved line.* 2. Every straight line, CA, CE, CD, drawn... ## An Elementary Treatise on Plane and Solid Geometry

Benjamin Peirce - Geometry - 1837 - 159 pages
...CHAPTER XVIII. THE SPHERE. 415. Definition. A sphere is a solid terminated by a curved surface, all the points of which are equally distant from a point within called the centre. 41G. Corollary. The sphere may be conceived to be generated l,y the revolution of a semicircle, DAE... 