 | Almon Ticknor - Arithmetic - 1849 - 170 pages
...A sector is any part of a circle bounded by an arc, and its two radii drawn to its extremities. 37. The diameter of a circle is a straight line drawn through the centre, terminated both ways by the circumference. (Fig. 17.) 38. An ellipsis or oval, is a curve which... | |
 | Thomas Kelt - Mechanical engineering - 1849 - 424 pages
...3. The radius of a circle is a straight line drawn from the centre to the circumference, as O B. 4. The diameter of a circle is a straight line drawn through the centre, and terminated both ways at the circumference, as CO A. 5. A chord is a straight line joining... | |
 | Roswell Chamberlain Smith - Arithmetic - 1850 - 314 pages
...distant from a certain point within it, called the CENTRE. An ARC is any part of the circumference. 35. The DIAMETER of a circle, is a straight line drawn through the centre and terminating in the circumference on each side. A Q. What is a Quadrilateral? 27. Parallelogram?... | |
 | Jeremiah Day - Geometry - 1851 - 418 pages
...portion of the circumference. A semi-circle is half, and a quadrant one fourth, of a circle. % II. A Diameter of a circle is a straight line drawn through the center, and terminated both ways by the circumference. A Radius is a straight line extending from the center to... | |
 | Sir Henry Edward Landor Thuillier - Surveying - 1851 - 826 pages
...point within the same figure called the Centre, thus : ABDE is the circumference and C the centre. The Diameter of a circle is a straight line drawn through the centre, and terminated •*' both ways by the circumference, thus : AB is the diameter of the circle... | |
 | Euclid - Geometry - 1853 - 176 pages
...circumference. 16. A RADIUS of a circle is a straight line drawn from the center to the circumference, 17. A DIAMETER of a circle is a straight line drawn through the center and terminated both ways by the circumference. SCHOLIUM. Thus the curved line ABCDF is the circumference... | |
 | Mechanical engineering - 1855 - 420 pages
...3. The radius of a circle is a straight line drawn from the centre to the circumference, as O B. 4. The diameter of a circle is a straight line drawn through the centre, and terminated both ways at the circumference, as CO A. 5. A chord is a straight line joining... | |
 | Robert Potts - Geometry, Plane - 1860 - 380 pages
...circumference, are equal to one another. XVI. And this point is called the center of the circle. xvn. A diameter of a circle is a straight line drawn through the center, and terminated both ways by the circumference. xvm. A semicircle is the figure contained by a diameter... | |
 | Euclides - 1864 - 262 pages
...circumference, are equal to one another. XVI. And this point is called the center of the circle. XVII. A diameter of a circle is a straight line drawn through the center, and terminated both ways by the circumference. XVHI. A semicircle is the figure contained by a diameter... | |
 | Euclides - 1864 - 448 pages
...circumference, are equal to one another. And this point is called the center of the circle. XVII. A diameter of a circle is a straight line drawn through the center, and terminated both ways by the circumference. XVIII. A semicircle is the figure contained by a diameter... | |
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CIRCLES. A circle is a plane figure bounded by a curved line, every point of which is equally distant from a point within called the center. The curve which bounds the circle is called the circumference. 
