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 : XVI.
The first six books of the Elements of Euclid, with numerous exercises - Page 2
by Euclides - 1853 - 147 pages

## A Practical Treatise of Perspective, on the Principles of Dr. Brook Taylor

Edward Edwards - Perspective - 1806 - 414 pages
...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. The point from which fuch lines are drawn, is called the center of the circle. A 'diameter of a circle,...

## An Essay on the Teeth of Wheels: Comprehending Principles, and Their ...

Robertson Buchanan - Gearing - 1808 - 216 pages
...lie in one line. 2. A triangle is a figure contained by three straight lines. 3. A circle is a plane figure contained by one line, which is called the...figure to the circumference, are equal to one another, and this point is called the centre of the circle. 4. The radius of a circle, is a right line drawn...

## Pantologia. A new (cabinet) cyclopędia, by J.M. Good, O. Gregory ..., Volume 5

John Mason Good - 1813 - 714 pages
...inclosed by one qr more boundaries. 15. A circle is a plane figure contained by one line., which is railed the circumference, and is such that all straight lines drawn from a certiiu point within the figure to the circumference, агч equal to one another. 16. And this point...

## An Easy Introduction to the Mathematics: In which the Theory and ..., Volume 2

Charles Butler - Mathematics - 1814 - 528 pages
...figures as are contained by more than one line, as the triangle, square, polygon, &c. are excluded; "and is such that all straight lines drawn from a certain point within the figure" (called in the next following definition " the centre") to the circumference, are equal to one another...

## A Treatise on Spherics: Comprising the Elements of Spherical Geometry, and ...

Daniel Cresswell - Geometry - 1816 - 352 pages
...OF A SPHERE AND A PLANE. DEFINITIONS. ART. 1. A- Sphere is a solid 'figure contained by one surface, and is such that all straight lines, drawn from a certain point within the figure to the surface, are equal to one another : (2.) And this point is called the Center of the Sphere. (3.) A...

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

John Playfair - 1819 - 354 pages
...figure, without Any reference to the nature of the line or lines which bound it. XI. A circle is a plane figure contained by one line, which is called the...figure to the circumference, are equal to one another. And this point is called the centre of the circle. XIII. A diameter of a circle is a straight line...

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

Euclid, Robert Simson - Geometry - 1821 - 514 pages
...thing." XIV. A figure is that which is inclosed by one or more boundaries. XV. A circle is a plane figure contained by one line, which is called the...And this point is called the centre of the circle. xy n. A diameter of a circle is a straight line drawn through the centre, and terminated both ways...

## The First Six Books with Notes

Euclid - 1822 - 222 pages
...surface^ which is. bounded on all sides by one or more lines. 15. A circle is a plane figure bounded by one line,, which is called the circumference, and is such that all right lines drawn from a certain point within the figure, to the circumference, are equal to one another....