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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.
An Elementary Geometry - Page 49
by William Frothingham Bradbury - 1873 - 110 pages

## The Computist's Manual of Facts: And Merchant's and Mechanic's Calculator ...

Ezra S. Winslow - Business mathematics - 1853 - 264 pages
...parameter. A Sphere, or globe, is a perfectly round substance — a solid contained under a curved surface, every point of which is equally distant from a point within, called the centre. Its axis, or diameter, is any right line passing from a side through the centre to the opposite side....

## A Manual of Astronomy and the Use of the Globes ...

Henry Kiddle - 1854 - 154 pages
...and BG the minor axis of the ellipse. A sphere or globe is a round body, every part of the surface of which is equally distant from a point within called the centre. A hemisphere is a half of a globe. The diameter of a sphere is a straight line drawn through the centre,...

## Indroduction to the National Arithmetic ...

Benjamin Greenleaf - 1854 - 342 pages
...Ans. 13.92+ feet. ART. 2841. A SPHERE is a solid bounded by one continued convex surface, every part of which is equally distant from a point within, called the centre. The diameter of a sphere is a straight line passing through the centre, and terminated by the surface...

## Elements of Astronomy ...: With Explanatory Notes, and Questions for Examination

John Brocklesby - Astronomy - 1855 - 394 pages
...centre, (Latin) out of the centre. 19. A SPHERE. 'A sphere is a solid, bounded by a curved surface, every point of which is equally distant from a point within, called the centre; every line passing through this centre, and limited by the surface, is a diameter. The half of this...

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

Charles Davies, William Guy Peck - Electronic book - 1855 - 592 pages
...two straight lines cannot include a space. A circle is a portion of a plane bounded by a curved line, every point of which is equally distant from a point within, called the centre. 1 The curve is called the circumference, or in common language, the circle. So that in speaking of...

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

Dana Pond Colburn - Arithmetic - 1855 - 396 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...

## The American Philosophical Arithmetic: Designed for the Use of Advanced ...

John Fair Stoddard - Arithmetic - 1856 - 312 pages
...ten, a DECAGON ; that of twelve, a DODECAGON, &c. A CIRCLE is a plane, terminated by a curved line, every point of which is equally distant from a point within, called the centre. The curved line is called the circumference. The DIAMETER of a circle is a line passing through the...

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

Dana Pond Colburn - Arithmetic - 1856 - 392 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 KAWIIJS, and a line drawn from any point...