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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; viz. the first six books, together with the eleventh ... - Page 3
by Euclides - 1814

## Euclide's Elements ... compendiously demonstrated, by I. Barrow. Transl

Euclides - 1660
...figure •> and falling upon the circumference thereof, are equall the one to the other. XV I. And that point is called the Centre of the circle. XVII. A Diameter of a circle is a right line drawn through the centre thereof, and ending at the circumference on eii ther Б ther fidejdividing...

## Euclid's Elements of Geometry: From the Latin Translation of Commandine. To ...

John Keill - Logarithms - 1772 - 399 pages
...-, to which all Right Lines, drawn from a certain Point within the Figure, are equal. XVI. And that Point is called the Centre of the. Circle. XVII. A Diameter of a Circle is a Right Linf drawn through the Centre, and terminated on both Sides by the Circumference, and divides...

## The Elements of Euclid, Viz: The Errors, by which Theon, Or Others, Have ...

Robert Simson - Trigonometry - 1775 - 520 pages
...plane figure contained by one line, which is Called the circumference, and is fuch that all ftraight lines drawn from a certain point within the figure...And this point is called the centre of the circle. rXVII. A diameter of a circle is a ftraight line drawn through the see NI centre, and terminated both...

## The First Six Books: Together with the Eleventh and Twelfth

Euclid - 1781 - 520 pages
...plane figure contained by one line, which is called the circumference, and is fuch that all ftraight lines drawn from a certain point within the figure...centre of the circle. XVII. A diameter of a circle is a ftraight line drawn through thesee N. centre, and terminated both ways by the circumference. xyiji....

## Euclid's Elements of Geometry: From the Latin Translation of Commandine, to ...

John Keill - Logarithms - 1782 - 399 pages
...-, to which all Right Lines, drawn from a certain Point within the Figure, are equal. XVI. And that Point is called the Centre of the Circle. XVII. A Diameter of a Circle is a Right Line drawn through the Centre, and terminated tn both Sides by the Circumference, and divides...

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

Euclid, John Playfair - Electronic book - 1795 - 400 pages
...plane figure contained by one line, which is called the circumference, and is fuch that all ftraight lines drawn from a certain point within the figure to the circumference, are equal to one another. XII. And this point is called the centre of the circle. XIII. A diameter of a circle is a ftraight...

## The Elements of Euclid: Viz. the First Six Books, with the Eleventh and ...

Alexander Ingram - Trigonometry - 1799 - 351 pages
...plane figure contained by one line, which is called the circumference, and is fuch that all ftraight lines drawn from a certain point within the figure...And this point is called the centre of the circle. Definition A. Any ftraight line drawn from the center to the circumference of a circle, is called a...

## The Elements of Euclid: Also the Book of Euclid's Data ...cor. viz. The ...

Robert Simson - Trigonometry - 1804
...plain figure contained by one line, which is called the circumference, and is fuch that all ftraight lines drawn from a certain point within the figure to the circumference, are equal to one another. - X/K .\ XVI. And this point is called the center of the circle. ^ XVII. A diameter of a circle is...