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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. "
A Grammar Shcool Arithmetic - Page 328
by George Albert Wentworth - 1886 - 372 pages
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Plane Geometry

Walter Burton Ford, Earle Raymond Hedrick - Geometry, Modern - 1913 - 272 pages
...THE CIRCLE PART I. CHOEDS. ARCS. CENTRAL ANGLES 103. Definitions. The circle (§§ 2, 23) is a curve, all points of which are equally distant from a point within, called the center; or (§ 99), it is the locus of all points equally distant from a given point. By the definition...
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Elementary Mechanical Drawing: Theory and Practice

Geometrical drawing - 1915 - 278 pages
...一一一 一一 22 ヰ㏄・ 40squarelnches CIRCLE 321. The circumference of a circle is a curved line, all points of which are equally distant from a point within, called the center. The circle itself is the space within the circumference; this is called its area. If two...
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Plane and Solid Geometry

William Betz - Geometry - 1916 - 536 pages
...volume can be obtained by the prismatoidformula. BOOK VIII <~ — . THE SPHEEE 723. A sphere is a solid bounded by a surface all points of which are equally distant from a point within, called the center. The surface of a sphere is called a spherical surface. The radius of a sphere ^^^ "'-feiiv...
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Solid Geometry

John H. Williams, Kenneth P. Williams - Geometry, Solid - 1916 - 184 pages
...measures as indicated and make it of paper. Scale J. BOOK VIII THE SPHERE 685. A sphere is a solid bounded by a surface all points of which are equally distant from a point within called the center. A A sphere may also be denned as a solid generated by the revolution of a semicircle ABC...
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Solid Geometry

William Betz, Harrison Emmett Webb - Geometry, Solid - 1916 - 214 pages
...a cube meet in a point which is equidistant from the vertices of the cube. 14. A sphere is a solid bounded by a surface all points of which are equally distant from a point within SOLID GEOMETKY— INTRODUCTION E 15. The quadrilateral KLMN, in the figure, is constructed by joining...
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Solid Geometry

John Charles Stone, James Franklin Millis - Geometry, Solid - 1916 - 196 pages
...opposite vertex. CHAPTER XVI THE SPHERE 432. A sphere. — A sphere is a solid bounded by a curved surface all points of which are equally distant from a point within called the center. The bounding surface is called the spherical surface ; the line-segment from the center...
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Plane Geometry

John Charles Stone, James Franklin Millis - Geometry - 1916 - 306 pages
...curved lines used in elementary geometry are circles and arcs of circles. A circle is a closed curve all points of which are equally distant from a point within, called the center. The distances from all points of a circle to the center are called radii, which, therefore,...
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Higher Arithmetic

John Charles Stone, James Franklin Millis - Arithmetic - 1917 - 352 pages
...MEASUREMENT OF THE SPHERE 154. The surface of a sphere. — A sphere is a solid bounded by a curved surface all points of which are equally distant from a point within called the center. A straight line forming the distance from the center to the surface is called the radius....
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First Book in General Mathematics

Mathematics - 1917 - 284 pages
...16. A Circle is a part of a plane bounded by a curved line, called the Circumference of the circle, all points of which are equally distant from a point within called the Center. 17. A straight line drawn from the center of the circle to the circumference is called...
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The World Book: Organized Knowledge in Story and Picture, Volume 7

Michael Vincent O'Shea, Ellsworth D. Foster, George Herbert Locke - Encyclopedias and dictionaries - 1917 - 844 pages
...valued chiefly as an ingredient of ointments and cosmetics. SPHERE, sfcer. A solid bounded by a curved surface, all points of which are equally distant from a point within, is called a sphere. The point within from which all points of the surface are equally distant is called...
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