 | Arthur Parsey - 1831 - 242 pages
...minutes, &c. Hence a semi-circle contains 180 deg., and a quadrant, or quarter of a circle, 90 degrees. The radius of a circle is a right line drawn from the centre to the circumference. (AB, plate 8.) The diameter is a right line drawn through the centre, and terminating in the circumference... | |
 | Peter Nicholson - 1832 - 424 pages
...the circumference, which is every where equi-distant, from a certain point within, called its centre. The radius of a circle is a right line drawn from the centre to the circumference. A diameter of a circle is a right line, drawn through the centre terminating on both sides of the circumference... | |
 | Euclid - 1833 - 216 pages
...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 from the centre to the circumference. 19. A semicircle is the figure contained by a diameter, and the part of the circumference cut off by... | |
 | John Bonnycastle - 1835 - 308 pages
...greater than a right angle. * Any angle differing from a right one, is, by some writers, called an oblique angle. 13. A circle is a plane figure, formed...right line drawn from the centre to the circumference. G 16. The diameter of a circle is a right line passing through the centre, and terminated both ways... | |
 | Edward Shaw - 1836 - 438 pages
...circumference, which is everywhere equidistant from a certain point within, called its centre. 43. The radius of a circle is a right line drawn from the centre to the circumference, ab, at A. 44. A diameter of a circle is a right line drawn through the centre, terminating on both... | |
 | Frederick Augustus Griffiths - 1840 - 436 pages
...of a semicircle or 180°. A Chord, or Subtense, is a right line joining the extremities of an Arc. The Radius of a Circle is a right line drawn from the centre to the circumference . The Diameter of a Circle is a right line drawn through the centre, and terminated by the circumference.... | |
 | 1843 - 142 pages
...described ; and the circumference is the line ADBA which is divided into 360 parts, ca'lcd degrees. 14. The radius of a circle is a right line drawn from the centre to the circumference, as CD, fig. 8. 15. The diameter of a circle is a right line passing through the centre, and terminated... | |
 | Peter Nicholson - 1845 - 430 pages
...the circumference, which is every where equi-distant, from a certain point within, called its centre. The radius of a circle is a right line drawn from the centre to the circumference. A diameter of a circle is a right line, drawn through the centre terminating on both sides of the circumference... | |
 | Robert Griffith Hatfield - 1845 - 326 pages
...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. 49. — The diameter... | |
 | Henry McMurtrie - 1847 - 268 pages
...carpus. RA'DIUS, Geom., Lat., radius, a measuring rod. Applied by analogy to the spokes of a wheel, &c. The radius (of a circle) is a right line drawn from the centre to the circumference. RA'MUS, Anat., Lat., ramus, a branch. A term applied to branches of arteries, veins, nerves, and to... | |
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The radius of a circle is a right line drawn from the centre to the circumference. 
