 | John Davis (of Providence, R.I.) - 1854 - 168 páginas
...centre. 30. The radius of a circle is a right line drawn from the centre to the circumference. 31. The diameter of a circle is a right line drawn through the centre, and bounded at each end by the circumference. 32. An arc of a circle is any part of the circumference.... | |
 | William Somerville Orr - 1854 - 534 páginas
...centre to the circumference is called a radius of the circle. xrv. A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. A radios is therefore half the diameter, or a semidiameter. XT. A semicircle is the figure contained... | |
 | Thomas Lund - 1854 - 520 páginas
...the distance from the centre to the circumference is called the radius of the circle. Any straight line drawn through the centre and terminated both ways by the circumference is called a diameter of the circle. Thus, in the fig. here traced, the area or surface in the plane... | |
 | Jeremiah Day - 1855 - 344 páginas
...semi-circle is half, and a quadrant onefourth 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... | |
 | Robert Rawson - 1856 - 178 páginas
...another. XVL And this point is called the centre of the circle. XVH. A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. xvin. A semicircle is the figure contained by a diameter and the par* of the circumference cut off... | |
 | John Weale - 1859 - 622 páginas
...called its centre. The radius of a circle is a right line drawn from the centre to the circumference. Л diameter of a circle is a right line drawn through the centre, terminal ing on both sides of the circumference. An arc of a circle is any part of the circumference.... | |
 | Euclides - 1858 - 248 páginas
...straight lines from the centre to the circumference are radii. 17. A diameter of a circle is any straight line drawn through the centre, and terminated both ways« by the circumference ; as AB, or DE, in the circle AD BE. A diameter is double of a radius. 18. A semicircle is the figure... | |
 | Frederick Augustus Griffiths - 1859 - 426 páginas
...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. A semi-circle (180°) is that part of a circle which is contained between the... | |
 | Anthony Nesbit - 1859 - 494 páginas
...circumference, which is every where equidistant from a certain point within it, called the centre. 39. The diameter of a circle is a right line drawn through the centre, and terminating in the circumference on each side, as AB. 40. The radius of a circle is half the diameter... | |
 | Simon De Graff - 1860 - 130 páginas
...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... | |
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A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. 
