 | Richard Hiley - 1872 - 156 pages
...figure drawn perfectly round. The Circumferenes is the entire line forming the circle. The Diameter is a right line drawn through the centre, and terminating in the circumference on each side ; as, AB The Eadius of a circle is half the diameter, or it is a right line drawn from... | |
 | Euclid - Geometry - 1872 - 284 pages
...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 - Architecture - 1874 - 452 pages
...Fig. 17. Fig. If. Fig. 19. c Fig. SO. 47. — A ciYde is a figure bounded by a curved line, called the circumference ; which is every where equi-distant from a certain point within, called its Centre. The circumference is also called the periphery, and sometimes the circle. 48. —... | |
 | James Bailey Andrews - Circle-squaring - 1884 - 40 pages
...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 the centre, and terminated both ways by the circumference." — Defs. 15, 16, and 17, B. 1. Now, a polygon is not bounded... | |
 | Euclides - 1885 - 340 pages
...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 the centre and terminated both ways by the circumference, such as AB. From the definition of a circle it follows at... | |
 | Euclid, John Casey - Euclid's Elements - 1885 - 340 pages
...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 the centre and terminated both ways by the circumference, such as AB. From the de6nition of a circle it follows at... | |
 | Anthony Nesbit - Measurement - 1859 - 482 pages
...unequal, the polygon is irregular. 38. A circle is a plane figure, bounded by a curved line, called the circumference, which is every where equidistant...centre. 39. The diameter of a circle is a right line drai\n through the centre, and terminating in the circumference on each side, as AB. 40. The radius... | |
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A circle is a plane figure, bounded by a curved line, called the circumference, which is every where equidistant from a certain point within it, called the centre. 
