| Jeremiah Day - Measurement - 1815 - 388 pages
...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 the circumference. A Chord is a straight line... | |
| John Gummere - Surveying - 1817 - 206 pages
...circle is a straight 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. * ' 36. A quadrant... | |
| Sir John Leslie - Geometry - 1817 - 454 pages
...radius, and the boundary traced by the remote end of that line its circumference. 35. 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. It likewise... | |
| Thomas Keith - 1817 - 304 pages
...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 the surface,... | |
| Euclid, John Playfair - Circle-squaring - 1819 - 348 pages
...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 and the part of the circumference cut off... | |
| Matthew Iley - 1820 - 512 pages
...circumference, is equidistant from every part of the curve ; as C. 13. The diameter of a circle is a **line drawn through the centre, and terminated both ways by the circumference** ; as AB. 14. The radius of a circle is half the diameter ; as BC. 15. Any part of the circumference... | |
| Euclid - 1822 - 179 pages
...another. 16., And this point is called the centre of the circle. 17.. A diameter of a circle is a right **line- drawn through the centre, and terminated both ways by the circumference. 18. A** radius of a circle is a right line drawn front the centre to the circumference. 19. A semicircle is... | |
| Robertson Buchanan - Machinery - 1823 - 442 pages
...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. 60. A chord of an arc, is a straight line... | |
| Peter Nicholson - Architecture - 1823 - 210 pages
...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, drawn through... | |
| Jeremiah Day - Geometry - 1824 - 440 pages
...of the 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 Ifatlius is a straight line extending from the centre to the circumference. A Chord is a straight... | |
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