| John Playfair - Euclid's Elements - 1806 - 320 pages
...circumference are equal to 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... | |
| John Aikin - Geography - 1807 - 442 pages
...circumference, which is every 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.... | |
| Sir John Leslie - Geometry, Analytic - 1809 - 542 pages
...describing line its radius, and the 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... | |
| Euclid - Geometry - 1810 - 554 pages
...circumference, are equal to one another: XVI. A.nd this point is called the centre of the circle. XVII. A **diameter of a 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... | |
| John Gummere - Surveying - 1814 - 398 pages
...radius of a circle is a straight line drawn from the centre to the circumference, as CB, Fig. 1735. **The diameter of a circle is a straight line drawn through the centre, and** terminated both wajs by the circumference, as AB, Fig. 17. It divides the circle into two equal parts,... | |
| Jeremiah Day - Measurement - 1815 - 388 pages
...circumference. A semi-circle is 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... | |
| Thomas Keith - 1817 - 306 pages
...angles are equal, they are called regular polygons; if unequal, they are called irregular polygons. 34. **The Diameter of a circle is a straight line drawn through the centre, and** terminated by the circumference both ways ; thus AB is a diameter of th« circle. The diameter divides... | |
| John Playfair - Circle-squaring - 1819 - 350 pages
...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 straight line drawn through the centre, and** terminated both ways by the circumference. « XIV. A semicircle is the figure contained by a diameter... | |
| Peter Nicholson - Architecture - 1823 - 210 pages
...CENTRE of the circle. Thus, in Jig. 26, c is the centre, and cd the radius of the circle ab d. 36. **The DIAMETER of a circle is a straight line, drawn through the centre, and** terminated by the circumference ; as the line ab, fig. 27. 37. A CHORD of a circle is a straight line,... | |
| Robertson Buchanan - Machinery - 1823 - 440 pages
...centre to the circumference. 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.... | |
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