 | William Dawes Malton - 1860 - 392 sider
...supposed to be divided into 360 degrees (°) : any part of the circumference is termed an arc. The radius of a circle is a right line drawn from the centre to any point in the circumference : and equals about one-sixth of the line of the circumference. Hence... | |
 | Simon De Graff - 1860 - 130 sider
...figure formed by one uniform curved line, which is its circumference, as fig. 14. 14. The dlameter of a circle is a right line drawn through the centre, and terminated by the circumference, as ab, fig. 15. 15. A chord is a right line which joins the two ends of any arc... | |
 | Isaac Todhunter - 1869 - 312 sider
...equal to one another: this point is called the centre of the circle. A radius of a circle is a straight line drawn from the centre to the circumference. A diameter of a circle is a straight lino drawn through the centre and terminated both ways by the circumference. An arc of a circle... | |
 | Anthony Nesbit - 1870 - 578 sider
...into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds. 40. The diameter of a circle is a right line drawn through the centre, A and terminating in the circumference on each side ; as AB. "When 41. The radius of a circle is half... | |
 | Euclid - 1872 - 284 sider
...the figure, all right lines drawn are equal. 16. That point is called the centre of the circle. 17. A diameter of a circle is a right line drawn through the centre, and both of its extremities terminate in the circumference. 18. A radius is a right line drawn from the... | |
 | Robert Griffith Hatfield - 1874 - 452 sider
...called its Centre. The circumference is also called the periphery, and sometimes the circle. 48. — The radius of a circle is a right line drawn from the centre to any point in the circumference, (ab, Fig. 21.) All the radii of a circle are equal. vit.il. 49. —... | |
 | Lorenzo Fairbanks - 1875 - 472 sider
...circumference, which is everywhere equidistant from a point within called the centre ; as, ABC D. The Radius of a circle is a right line drawn from the centre to the circumference; as, AE. The Diameter is a right line passing through the centre and terminated both ways by the circumference... | |
 | Isaac Todhunter - 1877 - 442 sider
...to one another : this point is called the centre of the circle. A radius of a circle is a straight line drawn from the centre to the circumference. A diameter of a circle is a straight line drawn through the centre and terminated both ways by the circumference. An arc of a circle... | |
 | James Bailey Andrews - 1884 - 40 sider
...figure to the circumference are equal to one another, and this point is called the centre of the circle. A diameter of a circle is a right line drawn through...centre, and terminated both ways by the circumference." — Defs. 15, 16, and 17, B. 1. Now, a polygon is not bounded by one line, nor are all right lines... | |
 | Euclides - 1885 - 340 sider
...radius of a circle is any right line drawn from the centre to the circumference, such as CD. xxxiv. A diameter of a circle is a right line drawn through...centre and terminated both ways by the circumference, such as AB. From the definition of a circle it follows at once that the path of a movable point in... | |
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The radius of a circle is a right line drawn from the centre to the circumference. 
