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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 - Page 157
by Adrien Marie Legendre - 1841 - 235 pages
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Burnham's Arithmetic, Revised: A New System of Arithmetic, on an Improved ...

Charles Guilford Burnham - Arithmetic - 1857 - 328 pages
...base. 8. A sphere is a solid, bounded by one continued convex surface, every point of wliich is equally distant from a point within, called the centre. The sphere may be conceived to be formed by the revolution of a semicircle about its diameter, which remains fixed. A hemisphere is half...
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A New System of Arithmetic, on an Improved Plan, Embracing the Rules of ...

Charles Guilford Burnham - 1857 - 342 pages
...base. 8. A sphere is a solid, bounded by one continued convex surface, every point 01 which is equally distant from a point within, called the centre. The sphere may be conceived to be formed by the revolution of a semicircle about its diameter, which remains fixed. A hemisphere is half...
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Bourdon's Arithmetic: Containing a Discussion of the Theory of Numbers

Bourdon (M., Louis Pierre Marie) - Arithmetic - 1858 - 262 pages
...divisions of the Circle. — The circumference of a circle is defined in geometry a recutiant line, all the points of which are equally distant from a point within, called the centre. In all the scientific works in this country, the circumference is divided into 360 equal parts, called...
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Rifles and Rifle Practice: An Elementary Treatise Upon the Theory of Rifle ...

Cadmus Marcellus Wilcox - Rifle practice - 1859 - 308 pages
...CHAPTER IV. TUB CIRCLE AND THE MEASURING OF ANGLES. "WK give the name of circumference to a curved line, all the points of which are equally distant from a point within, called the centre. ,, The part of the surface contained in the circumference is called the circle. Every right line joining the...
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A Natural Philosophy: Embracing the Most Recent Discoveries in the Various ...

George Payn Quackenbos - Physics - 1860 - 484 pages
...is a rectangle whose sides are equal ; j _,' H 0 as, IJ KL, Fig. 23. 22. A Sphere is a solid bounded by a curved surface, all the points of which are equally distant from a point within called the centre ; as, AB CD, Fig. 24. 23. The Axis of a sphere is a straight line passing through its centre and terminating...
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Higher Arithmetic : Or, The Science and Application of Numbers: Combining ...

James Bates Thomson - Arithmetic - 1860 - 440 pages
...the 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 of a. circle is a straight line which passes through the centre, and is terminated on both...
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Plane and Solid Geometry: To which is Added Plane and Spherical Trigonometry ...

George Roberts Perkins - Geometry - 1860 - 474 pages
...COMBINATION WITH THE STRAIGHT LINE. DEF1NIT1ONS. I. The circumference of a circle is a curved line, all the points of which are equally distant from a point within called the centrs. The circle is the space bounded by the circumference. II. Any straight line drawn from...
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Bryant and Stratton's Commercial Arithmetic: In Two Parts. Designed for the ...

Emerson Elbridge White - Arithmetic (Commercial), 1861 - 1861 - 348 pages
...of the smaller end 6 inches ? Ans. 9f cu. ft. nearly. SPHERES. ART. 181. A sphere is a solid bounded by a curved surface, all the points of which are equally distant from a point within called the center. The diameter or axis of a sphere is a line passing through the center, and terminated each...
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Cornell's High School Geography: Forming Part Third of a Systematic Series ...

Sophia S. Cornell - Geography - 1861 - 414 pages
...of a Circle.—A Circle is a plane figure bounded by one continuous line, called its circumference ; all the points of which are equally distant from a point within called the centre of the circle. Thus, in the adjoining figure, if the points A, D, E, and B are equally distant from...
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Davies' University Arithmetic: Embracing the Answers, and a Full Analysis ...

Charles Davies - Arithmetic - 1861 - 496 pages
...the area of a circle whose diameter is mile ? Sphere. 414. A SPHEILE is a portion of space bounded by a curved surface, all the points of which are equally distant from a certain point within, called the center. The line AD, passing through its center C, is called the diameter...
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