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A Circle is a plane figure bounded by a curved line every point of which is equally distant from a point within called the center.
Elements of Geometry and the First Principles of Modern Geometry - Page 34
by Wm. H. H. Phillips - 1878 - 209 pages

## The Common-school Arithmetic: a Practical Treatise on the Science of Numbers

Dana Pond Colburn - 1858 - 290 pages
...the top of the spire ? 143. Solids. (a.) A SPHERE is a solid bounded by a curved surface, every part of which is equally distant from a point within, called the centre. (Fig. 1, p. 240.) (b.) A line drawn from the centre of a circle to the surface is called a RADIUS,...

## Mathematical Dictionary and Cyclopedia of Mathematical Science Comprising ...

Charles Davies, William Guy Peck - Mathematics - 1859 - 592 pages
...and Isomctrical ProjecFor more detailed information on the sublinos cannot include a space. Л nrrle is a portion of a plane bounded by a curved line,...equally distant from a point within, called the centre. The curve is called the circumference, or in common language, the circle. So that in speaking of the...

## Carpentry Made Easy, Or, The Science and Art of Framing, on a New and ...

William E. Bell - Bridges - 1859 - 224 pages
...angles are those which have like positions in similar polygons. 34. The circumference of a circle is a curved line, every point of which is equally distant from a point within, called the centre. 35. The circle is the surface bounded by the circumference. 36. A radius of a circle is a straight...

## Elements of Analytic Geometry and of the Differential and Integral Calculus

Elias Loomis - Calculus - 1859 - 320 pages
...become x=r cos. v, y=r sin. v. SECTION IT. ON THE CIRCLE. (32.) A CIRCLE is a plane figure bounded by a line, every point of which is equally distant from a' point within called the center. This bounding line is called the circumference of the circle. A radius of a circle is a...

## A Treatise on Practical Mensuration

Anthony Nesbit - Measurement - 1859 - 494 pages
...axis or diameter of the sphere ; or it is a solid bounded by one continued convex surface, every part of which is equally distant from a point within, called the centre. . 14. The segment of a sphere is any part of it cut ofF by a plane. If the plane pass through the centre,...

## A Natural Philosophy: Embracing the Most Recent Discoveries in the Various ...

George Payn Quackenbos - Physics - 1860 - 468 pages
...one that changes its direction at every point; as, G H. 4. A Circle is a figure bounded by a curve, every point. of which is equally distant from a point within, called the Centre. Fig. 16 represents a circle, and E its centre. 5. The Circumference of a circle U the curve that bounds...

## The Readable Dictionary: Or, Topical and Synonymic Lexicon: Containing ...

John Williams (of Lancaster, O.) - English language - 1860 - 360 pages
...Of Curvilinear Figures. A CIRCLE is a plain figure bounded by a curve line called the circumference, every point of which is equally distant from a point within called the center. An ELLIPSE has the form of a flattened circle, and may be formed / by passing • a plane...

## Arithmetic and Its Applications: Designed as a Text Book for Common Schools ...

Dana Pond Colburn - 1860 - 390 pages
...straight line all the way ? 23O. Solids. (a.) A SPHERE is a solid bounded by a curved surface, every part of which is equally distant from a point within, called the centre. (6.) A line drawn from the centre to the surface is called a RADIUS, and a line drawn from any point...