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" A sphere is a solid bounded by a surface all points of which are equally distant from a point within called the centre. "
Elements of Plane and Solid Geometry - Page 337
by George Albert Wentworth - 1877 - 398 pages
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The Elements of Geometry

Webster Wells - Geometry - 1886 - 392 pages
...see page 217. BOOK II. THE CIRCLE. DEFINITIONS. 150. A circle is a plane figure bounded by a curve, all points of which are equally distant from a point within called the centre. The curve which bounds the circle is called the circumference, and any portion of it is called an arc....
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The Architect's and Builder's Pocket-book

Frank Eugene Kidder - Architecture - 1886 - 640 pages
...upper part of it by a plane parallel to the base. A sphere is a volume bounded by a curved sin-face, all points of which are equally distant from a point within, called the centre. treats of the measurement of lines, surface*. "Fig. 21 .Mensuration find rolumes. RULES. To compute,...
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Chauvenet's Treatise on Elementary Geometry

William Chauvenet, William Elwood Byerly - Geometry - 1887 - 331 pages
...the element of contact. THE SPHERE. 19. Definition. A sphere is a solid bounded by a surface all the points of which are equally distant from a point within,...may be generated by the revolution of a semicircle ABC about its diameter AC as an axis; for the surface generated by the curve ABC will have all its...
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Exercises in Arithmetic

George Albert Wentworth, George Anthony Hill - Arithmetic - 1887 - 448 pages
...of brick does the chimney contain ? ARITHMETICAL EXERCISES. A Sphere is a solid bounded by a curved surface all points 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 through...
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A Grammar School Arithmetic

George Albert Wentworth - Arithmetic - 1888 - 378 pages
...the revolution of a semi-circle (or circle) about its diameter regarded as fixed. Hence, it is a body bounded by a surface all points of which are equally distant from a point within called the centre. FIG. 89. 457. The straight line joining the centre to any point on the surface is a radius of the sphere...
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A Text-book of Geometry

George Albert Wentworth - Geometry - 1888 - 272 pages
...DEFINITIONS. 210. A circle is a portion of a plane bounded by a curved line called a circumference, all points of which are equally distant from a point within called the centre. 211. A radius is a straight line drawn from the centre to the circumference ; and a diameter is a straight...
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Practical Arithmetic

Charles Scott Venable - Arithmetic - 1888 - 402 pages
...two ends, or its base and apex. 943. A sphere or globe is a solid having a curved surface, all the points of which are equally distant from a point within called the centre. The radius is any straight line from the centre to the surface. The diameter is any straight line passing...
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A Grammar School Arithmetic

George Albert Wentworth - Arithmetic - 1889 - 676 pages
...ANQULAB MEASURE, 177. 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 part of the circumference is called an arc. 178. A line drawn through the centre and terminated by...
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The Elements of Plane and Solid Geometry ...

Edward Albert Bowser - Geometry - 1890 - 418 pages
...solid bounded by a curved surface, every point of which is equally distant from a point •within it, called the centre. A sphere may be generated by the revolution of a semicircle ACB about its diameter AB as an axis. 658. A radius of a sphere is a straight line drawn from the centre...
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Plane and Solid Geometry

Seth Thayer Stewart - Geometry, Modern - 1891 - 428 pages
...line passing through the center and terminating in both directions in the surface of the sphere. 506. A sphere is a solid bounded by a surface, all points of which are equally distant from a point which is the center. 507. A cylindrical surface is a surface that may be generated by the motion of...
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