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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 Will, Divine and Human

Thomas Solly - Free will and determinism - 1856 - 304 pages
...conceptions in the above instance united in the conception of the cause; the flight through the air in a curved line, every point of which is equally distant from a certain imaginary fixed point and an imaginary straight line, are the representations united in the...

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

Charles Davies, William Guy Peck - Mathematics - 1857 - 608 pages
...those already mentioned, except the additional fact, that two straight lines cannot include a space. A circle is a portion of a plane bounded by a curved...which is equally distant from a point within, called the centra. The curve is called the circumference, or in common language, the circle. So that in speaking...

## Cornell's High School Geography: Forming Part Third of a Systematic Series ...

Sarah S. Cornell - Geography - 1857 - 420 pages
...magnitude of the radius. Definition of a Sphere. — A Sphere is a hody hounded by one continuous surface, every point of which is equally distant from a point within called its centre. Any line drawn from the centre to the surface is called a radiits. A line passing through...

## Introduction to The National Arithmetic: On the Inductive System : Combining ...

Benjamin Greenleaf - Arithmetic - 1857 - 336 pages
...feet. THE SPHERE. AKT. 362. 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 axis or diameter of a sphere is a line passing through the centre, and terminated by the surface....

## The National Arithmetic on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - Arithmetic - 1857 - 452 pages
...28 rods 24 yards 6.347 feet. CIRCLES. 627. A circle is a plane figure bounded by a line, every part of which is equally distant from a point within called the centre ; as AEFGBD. The circumference or periphery of a circle is the line bounds it. A radius is a line drawn...

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

William E. Bell - Bridge building - 1857 - 254 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 Geometry and Conic Sections

Elias Loomis - Conic sections - 1858 - 234 pages
...III. THE CIRCLE, AND THE MEASURE OF ANGLES. Definitions. 1. A circk 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. 2. A radius of a circle is...

## The National Arithmetic on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - Arithmetic - 1858 - 470 pages
...ft., nearly. SPHERES, SPHEROIDS, &c. 660> A sphere is a solid, bounded by a curved surface, every part of which is equally distant from a point within, called the centre. The axis or diameter of a sphere is a line passing through the centre, and terminated by the surface...