 | George Payn Quackenbos - Physics - 1860 - 484 pages
...has an infinite number of diameters, all equal to each other. • ^ -; 8. A Radius (plural, radii) of a circle is a straight line drawn from the centre to the circumference ; as, ED, EC, EF, EA, E B. Every circle has an infinite number of radii, all equal to each other. The... | |
 | George Payn Quackenbos - Physics - 1862 - 468 pages
...Every circle has an infinite number of diameters, all equal to each other. 3. A Radins (plural, radii} of a circle is a straight line drawn from the centre to the circumference; as, ED, EC, EF, EA, EB. Every circle has an infinite number of radii, all equal to each other. The... | |
 | Great Britain. Committee on Education - Education - 1864 - 332 pages
...called its Centre. The circumference is sometimes called the Periphery. The Radius of a circle is a line drawn from the centre to the circumference. The Diameter of a circle is a line drawn through the centre, and terminating at the circumference on both sides. A Radial is sometimes... | |
 | Euclides - 1865 - 80 pages
...the RADIANT, and the boundary traced by the remote end of the line the CIRCUMFERENCE. 34. The RADIUS of a circle is a straight line drawn from the centre to the circumference. Cor. Hence all the radii of the same circle are equal, for each of them is equal to the radiant. 35.... | |
 | Samuel Alsop - Surveying - 1865 - 440 pages
...of a circle is a straight line through the centre, terminating in the c'rcumference. 58. The radius of a circle is a straight line drawn from the centre to the circumference. 59. A segment of a circle is any part B cut off by a straight line. Thus, ABCD is a segment. Fig. 6.... | |
 | Leroy J. Blinn - Sheet-metal work - 1866 - 216 pages
...Circle twice the diameter of another contains four times the area of the other. Fig. 7. 3. The radius of a circle is a Straight line drawn from the centre to the circumference, as BD, fig. 7. 4. The diameter of a circle is a Straight line drawn through the centre and terminated... | |
 | Samuel Maunder - Encyclopedias and dictionaries - 1866 - 884 pages
...everywhere equidistant from n certain point within, called ItactnJre; the radiuê of a circle Is я line drawn from the centre to the circumference ; the diameter of a circle tu л line drawn through the centre, and terminating at the circumference on both sides ; an are of... | |
 | Euclid, Isaac Todhunter - Euclid's Elements - 1867 - 426 pages
...a straight line drawn through the centre, and terminated both ways by the circumference. [A radius of a circle is a straight line drawn from the centre to the circumference.] 18. A semicircle is the figure contained by a diameter and the part of the circumference cut off by... | |
 | Euclid, Isaac Todhunter - Euclid's Elements - 1867 - 424 pages
...a straight line drawn through the centre, and terminated both ways by the circumference. [A radius of a circle is a straight line drawn from the centre to the circumference.] 18. A semicircle is the figure contained by a diameter and the part of the circumference cut off by... | |
 | E. M. Reynolds - Geometry - 1868 - 172 pages
...on a given line. 13. To construct a regular octagon on a given line. BOOK II. THE CIRCLE. THE radius of a circle is a straight line drawn from the centre to the circumference. Circles which have equal radii are equal. Any straight line drawn from one point of the circumference... | |
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A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. 
