Books Books
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.
Elements of geometry, containing books i. to vi.and portions of books xi ... - Page 5
by Euclides, James Hamblin Smith - 1872 - 349 pages

## The Elements of Euclid for the Use of Schools and Colleges: With Notes, an ...

Isaac Todhunter - Euclid's Elements - 1880 - 426 pages
...is the extremity of any thing. 14. A figure is that which is enclosed by one or more boundaries. 15. A circle is a plane figure contained by one line,...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...

## The engineers' manual of the Local marine examinations

Thomas Liddell Ainsley - 1880 - 866 pages
...those which are called curvilinear, being bounded not by straight lines but by curved lines. Def.—A circle is a plane figure contained by one line, which...is called the circumference, and is such that all strait lines drawn from its centre to the circumference are equal to one another. The straight line...

## Nature, Volume 21

Sir Norman Lockyer - Electronic journals - 1880 - 668 pages
...VII. — A plane figure is a portion of a plane surface inclosed by a line or lines. "Def. VIII. — \circle is a plane figure contained by one line, which is called the circumference, &c. "Def. XXII. — A plane rectilineal figure is a portion of a plane surface inclosed by straight...

## The Elements of geometry; or, The first six books, with the eleventh and ...

Euclides - Euclid's Elements - 1881 - 236 pages
...figurca, u well u to plane figures XV. A circle is a plane figure contained [or, bounded] by •>ae 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. The circumference...

## The Practical Teacher, Volume 1, Issue 1

Education - 1882 - 676 pages
...inclination of two lines to each other in a plane, which meet together, but are not in the same direction. A circle is a plane figure contained by one line which...circumference, and is such that all straight lines drawn from a certain point (called the centre) within the figure to the circumference are equal to one another....

## The Elements of Euclid for the Use of Schools and Colleges: Comprising the ...

Euclid, Isaac Todhunter - Euclid's Elements - 1883 - 426 pages
...is the extremity of any thing. 14. A figure is that which is enclosed by one or more boundaries. 15. A circle is a plane figure contained by one line,...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...

## The Elements of Euclid, books i. to vi., with deductions, appendices and ...

Euclides - 1884 - 434 pages
...the fixed point is inside the circle, outside the circle, and on the oce. BOOK III. DEFINITIONS. 1. A circle is a plane figure contained by one line which...circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference are equal. This point is called the centre...

## The text of Euclid's geometry, book 1, uniformly and systematically arranged ...

Euclides - 1884 - 214 pages
...is the extremity of anything. XIV. A figure is that which is enclosed by one or more boundaries. XV. A circle is a plane figure contained by one line,...circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference, are equal to one another. XVI. And this...