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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.
First principles of Euclid: an introduction to the study of the first book ... - Page 18
by T S. Taylor - 1880

## Appletons' Cyclopędia of Drawing: Designed as a Text-book for the Mechanic ...

William Ezra Worthen - Architectural drawing - 1857 - 632 pages
...regular polygons ; of which figs. 11-14 are examples, annexed to which are their respective designations. A circle is a plane figure contained by one line,...within the figure to the circumference, are equal to one another. And this point is called the centre of the circle. The term circle is very generally...

## Appletons' Cyclopędia of Drawing: Designed as a Text-book for the Mechanic ...

William Ezra Worthen - Architectural drawing - 1857 - 650 pages
...are examples, annexed to which are their respective designations. A circle is a plane figure contamed by one line, which is called the circumference, and...within the figure to the circumference, are equal to one another. And this point is called the centre of the circle. The term circle is very generally...

## APPLETONS' CYCLOPAEDIA OF DRAWING

W.E. WORTHEN - 1857 - 600 pages
...regular polygons; of which figs. 11-14 are examples, annexed to which are their respective designations. A circle is a plane figure contained by one line, which is called the tircwnference, and is such that all straight lines, drawn from a certain point within the figure to...

## Rudimentary Dictionary of Terms Used in Architecture: Civil, Architecture ...

John Weale - Architecture - 1859 - 622 pages
...etc., for describing circles, measuring distances, and taking the thickness of solids. Circle, a plain figure contained by one line, which is called the...point within the figure to the circumference are equal to one anCHU CIRCULAR. С Г- А other, and this point is called the centre of the circle. The circumference...

## Gradations in Euclid : books i. and ii., with an explanatory preface [&c ...

Euclides - 1858 - 248 pages
...in a figure are also points in the same plane, the figure is called a plane figure." — HOSE. 15. A circle is a plane figure contained by one line, which is called the circwnfermce, and is such that all straight lines drawn from a certain point within the figure to the...

## The Train, Volume 5

1858 - 402 pages
...figure, contained by one line, selfinterest, which is called the circumference, and is such, that all lines drawn from a certain point within the figure, to the circumference (i,e., all motives, from the highest to the lowest men), are equal to one another. Sometimes a circle...

## Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - Geometry, Plane - 1860 - 380 pages
...the extremity of any thing. XIV. A figure is that which is enclosed by one or more boundaries. XV. A circle is a plane figure contained by one line,...within the figure to the circumference, are equal to one another. XVI. And this point is called the center of the circle. xvn. A diameter of a circle...

## The Intuitions of the Mind Inductively Investigated

James McCosh - History - 1860 - 512 pages
...to any length in a straight line;" "There may be such a figure as a circle, that is, a plane figure such that all straight lines drawn from a certain point within the figure are equal to one another;" and that "A circle may be described from any centre at any distance from...