 | Euclid - 1810 - 554 σελίδες
...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...centre, and terminated both ways by the circumference. XVIII. A semicircle is the figure contained by a diameter and the part of the circumference cut off... | |
 | John Gummere - 1814 - 398 σελίδες
...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, called semicircles.... | |
 | Jeremiah Day - 1815 - 388 σελίδες
...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...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 - 1817 - 392 σελίδες
...radius of a 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...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... | |
 | Thomas Keith - 1817 - 306 σελίδες
...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 the surface,... | |
 | John Playfair - 1819 - 350 σελίδες
...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...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 σελίδες
...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 - 222 σελίδες
...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... | |
 | Robertson Buchanan - 1823 - 440 σελίδες
...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...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 - 1823 - 210 σελίδες
...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, drawn through... | |
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A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. 
