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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.
The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago ... - Σελίδα 3
των Robert Simson - 1762 - 466 σελίδες
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## The First Six, and the Eleventh and Twelfth Books of Euclid's Elements: With ...

Euclid, James Thomson - 1845 - 352 σελίδες
...plane figure contained by one line, which is called the circumference* and is such that R all straight lines drawn from a certain point within the figure to the circumference are equal to one another.* 31. That point is called the centre of the circle. 32. Any straight line drawn from the centre of a...

## The Elements of Geometry, Symbolically Arranged

...aplane 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 one another. XVI. And this point is called the centre of the circle. XVII. A diameter of a circle is a straight line drawn through the centre, and...

## The Elements of Geometry, Symbolically Arranged

...aplanefigure 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 one another. XVI. And this point is called the centre of the circle. XVII. A diameter of a circle is a straight line drawn through the centre, and...

## The Elements of Euclid, the parts read in the University of Cambridge [book ...

Euclides - 1846
...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 one another : xvi. And this point is called the centre of the circle. xvn. A diameter of a circle is a straight line drawn through the centre, and...

## Elements of Geometry: Containing the First Six Books of Euclid, with a ...

Euclid, John Playfair - 1846 - 317 σελίδες
...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. 12. And this point is called the centre of the circle. 13. A diameter of a circle is a straight line...

## A course of practical geometry for mechanics

W. PEASE - 1846
...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. 29*. And this point is called the Centre of the circle. A circle is the superficies or space enclosed...

## The First Book of Euclid's Elements, Simplified, Explained, and Illustrated ...

Euclides - 1847
...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. 17. A diameter of a circle is a straight...

## The definitions, postulates, axioms, and enunciations of the propositions of ...

Euclides - 1848
...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...equal to one another. XVI. And this point is called ttas centre of the circle. XVII. A diameter of a circle is a straight line drawn through the centre,...

## Lessons on the delineation of form

Charles Richson - 1848
...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." (A pair of dividers or compasses will be useful...

## The first three books of Euclid's Elements of geometry, with theorems and ...

Euclides, Thomas Tate - 1849 - 108 σελίδες
...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 VI. And this point is called the centre of the circle. XVII. A diameter of a circle is a straight...