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A circle is a plane figure contained by one line, which is called the circumference, and is such, that all straight lines drawn from a certain point within the figure to the circumference are equal to one another.
A Treatise on Spherics: Comprising the Elements of Spherical Geometry, and ... - Page iii
by Daniel Cresswell - 1816 - 294 pages

## Practical Geometry and Graphics

David Allan Low - Geometrical drawing - 1912 - 468 pages
...Definitions. — A circle is a plane figure contained by one line, which is called the circumference, and is such, that all straight lines drawn from a certain point within the figure to the circumference are equal to one another : and this point is called the centre of the circle. . The meanings...

## Everybody's Cyclopedia: A Concise and Accurate Compilation of the ..., Volume 1

Charles Leonard-Stuart, George Jotham Hagar - Encyclopedias and dictionaries - 1912 - 678 pages
...devotion to pleasure. Circle, a plane figure contained by one Hue, which is called the circumference, and is such that all straight lines drawn from a certain point (the center) within the figure to the circumference are equal lo one another. Circle, Magic, u space...

## The Americana: A Universal Reference Library, Comprising the Arts ..., Volume 5

Frederick Converse Beach, George Edwin Rines - Encyclopedias and dictionaries - 1912 - 942 pages
...Australe. Circle, in geometry, a plane ligure contained by one line, which is called the "circumference" and is such that all straight lines drawn from a certain point (the "centre") within the figure to the circumference are equal to one another. According to this definition...

## Winston's Cumulative Loose-leaf Encyclopedia: A Comprehensive ..., Volume 3

Charles Morris - Encyclopedias and dictionaries - 1923 - 502 pages
...expanding. Circle ts'.r'kl)> * plane figure con"" tained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point (the center) within the figure to the circumference are equal to one another. The properties of the...

## Stories about Mathematics-land, Volume 2

D. Ponton - Mathematics - 1927 - 168 pages
...or more lines. A Circle is a plane figure contained by one line, which is called the Circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference are equal to one another. This point is called the Centre of the Circle, and the straight...

## Abraham Lincoln: The Prairie Years,

Carl Sandburg - 1926 - 528 pages
...breadth; (15) a circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference are equal to one another; (16) and this point is called the centre of the circle. Also...