| Uriah Parke - 1849 - 414 pages
...being equal to the radius, and hence it is .5; so that the curve exceeds the straight line by .0236. **The radius of a circle is a line drawn from the centre to the circumference,** as a ray emanating from the centre, and if these radii be drawn from the centre to every part of the... | |
| Almon Ticknor - 1849 - 170 pages
...circumference. 32. A semicircle is half a circle ; a quadrant a quarter of a circle. (Fig. 17.) 33. **The radius of a circle is a line drawn from the centre to the circumference.** (Fig. 17.) 34. A chord is a straight line shorter than the diameter, and joins the extremities of an... | |
| Minard Lafever - 1849 - 306 pages
...eleven, undecagons ; twelve, duodecagons ; and so on. XXX. A circle is a figure bounded by a curved **line, called the circumference, which is every where equi-distant from a certain point within** the circle, called the centre. (Fig. 23.) XXXI. A diameter of a circle is a straight line drawn through... | |
| William Minifie - 1849 - 278 pages
...circle is a point within the circumference, equally distant from every pqint in it, as C, fig. 1. 4. **The RADIUS of a circle is a line drawn from the centre to** any point in the circumference, as С. А, С. В or C. D, fig. 1. The plural of Radius is RADII. All... | |
| John Weale - 1850 - 600 pages
...a square is oue of four ; the former being called a trigon, and the latter a tetragon. A circle is **a plane figure, bounded by a curve line, called the...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... | |
| John Weale - 1850 - 590 pages
...all its sides and its angles equal; and if they are not equal, the polygon is irregular. A circle is **a plane figure, bounded by a curve line, called the...every where equidistant, from a certain point within,** tailed its centre. The radius of a circle is a right line drawn from the centre to the circumference.... | |
| Uriah Parke - 1850 - 402 pages
...being equal to the radius, and hence it is .5; so that the curve exceeds the straight line by .0236. **The radius of a circle is a line drawn from the centre to the circumference,** as a ray emanating from the centre, and if these radii be drawn from the centre to every part of the... | |
| Benjamin Greenleaf - 1850 - 368 pages
...square is one of four; the former being also called a trigon, and the latter a tetragon. 44. A circle is **a plane figure, bounded by a curve line, called the circumference, which is** everywhere equidistant from a certain point, called its centre. The circumference itself is often called... | |
| Charles Haynes Haswell - 1851 - 346 pages
...joining the extremities of an arc. A Segment of a circle is any part bounded by an arc and its chord. **The Radius of a circle is a line drawn from the centre to the circumference^** r A Sector is any part of a circle bounded by an arc and its two radii. . A Semicircle is half a circle.... | |
| Edward Shaw - 1852 - 426 pages
...one of four — the former being called a trigon, and the latter a tetragon. Plate 2. 42. A circle is **a plane figure bounded by a curve line, called the...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.... | |
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