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THE sphere is a solid terminated by a curve surface, all the points of which are equally distant from a point within, called the centre.
Elements of Geometry, After Legendre, with a Selection of Geometrical ... - Page 255
by Charles Scott Venable - 1881

## A Manual of Mechanical Drawing

Philip Devereux Johnston - Mechanical drawing - 1903 - 220 pages
...sides a Dodecagon. 47 A Circle is a plain figure bounded by a curved line called the Circumference, all points of which are equally distant from a point within called the Centre. 48 A Radius of a circle is a straight line drawn from the centre to the circumference. 0 49 A Diameter...

## Wentworth & Hill's Exercise Manuals: Arithmetic, Issue 1

George Albert Wentworth - 1903 - 318 pages
...feet of brick does the chimney contain ? A Sphere is a solid bounded by a curved surface all pointa 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...

## Hodgson's Estimator and Contractor's Guide for Pricing Builder's Work ...

Frederick Thomas Hodgson - Architecture, Domestic - 1904 - 364 pages
...5. A spheroid is a solid, generated by the revolution of an ellipse about either of its axes. C. A sphere is a solid, terminated by a curved surface,...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...

## 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....

## The Architect's and Builder's Pocket-book: A Handbook for Architects ...

Frank Eugene Kidder - Architecture - 1908 - 1756 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...

## New Plane and Solid Geometry

Webster Wells - Geometry - 1908 - 338 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...

## 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...

## 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...