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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. "
An Elementary Treatise on Plane and Solid Geometry - Page 24
by Benjamin Peirce - 1837 - 159 pages
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Plane and Solid Geometry

George Albert Wentworth - Geometry - 1904 - 496 pages
...THE SPHERE. PLANE SECTIONS AND TANGENT PLANES. 737. DBF. A sphere is a solid bounded by a surface all points of which are equally distant from a point within called the centre. 738. A sphere may be generated by the revolution of a semicircle ACB about its diameter AB as an axis....
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The Architect's and Builder's Pocket-book: A Handbook for Architects ...

Frank Eugene Kidder - Architecture - 1908 - 1760 pages
...perimeter is the boundary line of a plane figure. A circle is a portion of a plane bounded by a curve, all the points of which are equally distant from a point within called the centre (Fig. 19). The circumference is the curve which bounds the circle. A radius is any straight line drawn...
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New Plane Geometry

Webster Wells - Geometry, Plane - 1908 - 208 pages
...B 23. We define a circle as a portion of a plane bounded by a curve, called the circumference, all points of which are equally distant from a point within called the centre. An arc is any portion of the circumference ; as AB. A radius is a straight line drawn from the centre...
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New Plane and Solid Geometry

Webster Wells - Geometry - 1908 - 336 pages
...legs. 23. We define a circle as a portion of a plane bounded by a curve, called the circumference, all points of which are equally distant from a point within called the centre. An arc is any portion of the circumference ; as AB. A radius is a straight line drawn from the centre...
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An Introductory Logic

James Edwin Creighton - Logic - 1909 - 548 pages
...mathematics, for example, a circle may be defined equally well as 'a plane figure bounded by a line, all points of which are equally distant from a point within called the centre,' or as' the plane figure generated by revolving a straight line about one of its extremities which remains...
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Kimball's Commercial Arithmetic: Prepared for Use in Normal, Commercial and ...

Gustavus Sylvester Kimball - Business mathematics - 1911 - 444 pages
...which is a unit of some known length. 365. A sphere is a body bounded by a uniformly curved surface, all the points of which are equally distant from a point within, called the center. 366. To find the convex surface of any prism or cylinder. Rule. Multiply the perimeter...
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Builders' Reliable Estimator and Contractors' Guide: A Complete Guide for ...

Frederick Thomas Hodgson - 1917 - 696 pages
...revolution of an ellipse about either of its axes. 6. A sphere is a solid, terminated by a curved surface, all the points of which are equally distant from a point within, called the center. A sphere may be described by the revolution of a semicircle about a diameter. 7. A radius...
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Solid Geometry

Charles Austin Hobbs - Geometry, Solid - 1921 - 216 pages
...volume of a cone whose surface is n times as large? BOOK IX THE SPHERE A sphere is a closed surface, all points of which are equally distant from a point within called the centre. Accordingly, the locus of a point in space at a given distance from a given point is a sphere. NOTE....
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The Chautauquan: Organ of the Chautauqua Literary and Scientific ..., Volume 5

1885 - 638 pages
...quantity. In the heading of this series of articles, " Circle " does not suggest the rim of a wheel, or a curved line all the points of which are equally distant from the center around which it is drawn, but rather a group of sciences, just as " social circle," and...
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