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... 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.
A Series on Elementary and Higher Geometry, Trigonometry, and Mensuration ... - Page 197
by Nathan Scholfield - 1845

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

Robert Simson - Trigonometry - 1806 - 518 pages
...another:. XVI. And this point is called the centre of the circle. XVH. A diameter of • circle is a straight line drawn through the centre, and terminated both ways by the circumference. , XVIII. A semicircle is the, figure contained by a .diameter and the part of the circumference...

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

John Playfair - Euclid's Elements - 1806 - 311 pages
...one another. XII. And this point is called the centre of the circle. XHL A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. XIV. A semicircle is the figure contained by a diameter and the part of the circumference...

## Geographical Delineations: Or, A Compendious View of the Natural and ...

John Aikin - Geography - 1807 - 416 pages
...where equally distant from a point within the figure called the centre. 2. A diameter of a circle is a straight line drawn through the centre and terminated both ways by the circumference. 3. An arc of a circle is any part of the circumference. 4. The circumference of every...

## Elements of Geometry, Geometrical Analysis, and Plane Trigonometry ...

Sir John Leslie - Geometry, Analytic - 1809 - 524 pages
...boundary traced by the remote end of that line its circumference. 3\$. The diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. It is obvious that all radii of the same circle are equal to each other and to a semidiameter....

## A Practical Application of the Principles of Geometry to the Mensuration of ...

Jeremiah Day - Measurement - 1815 - 388 pages
...half, and a quadrant one fourth, of a circle. ,*., , • •('•• II. A Diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. A Radius is a straight line extending from the centre to the circumference. A Chord...

## A Treatise on Surveying: Containing the Theory and Practice : to which is ...

John Gummere - Surveying - 1817 - 206 pages
...line drawn from the centre to the circumference, as CB, Fig. 17. 35. The diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference, as AE, Fig. 17. It divides the circle into two equal parts, called semicircles. * '...

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

John Playfair - 1819 - 317 pages
...to one another. And this point is called the centre of the circle. XIII. A diameter of a circle is a straight line drawn through the centre , and terminated both ways by the circumference. XIV. A semicircle is the figure contained by a diameter-aad thfijjart of tke circumference...

## Practical Essays on Mill Work and Other Machinery, Volume 1

Robertson Buchanan - Machinery - 1823 - 442 pages
...The word radii is used, when more than one such line is spoken of. 58. The diameter of a circle, is a straight line drawn through the centre, and terminated both ways by the circumference. 59- The arc of a circle is any part of its circumference. 60. A chord of an arc, is...