 | Jeremiah Day - Measurement - 1831 - 520 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... | |
 | Ira Wanzer - Arithmetic - 1831 - 408 pages
...periphery, every part of which is equally distant from a certain point within the circle, called the centre. The diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. 21. An ellipse, or ellipsis, is an oval , figure,... | |
 | Jeremiah Day - Geometry - 1838 - 416 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... | |
 | Thomas Holliday - Surveying - 1838 - 404 pages
...radius is the line which describes the circumference, turning upon B as a centre; fig. 16, plate I. 3. The diameter of a circle is a straight line drawn through the centre, and terminating in both sides of the circumference, as fig. 16, A—C. 4. The diameter is the... | |
 | Jeremiah Day - Geometry - 1839 - 434 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... | |
 | Roswell Chamberlain Smith - Arithmetic - 1841 - 324 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 cenfte and terminating in the circumference on each side. A Fig. 14. Q What is a Quadrilateral? 27.... | |
 | Roswell Chamberlain Smith - Arithmetic - 1842 - 320 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?... | |
 | Roswell Chamberlain Smith - Arithmetic - 1843 - 320 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 Fig. 14. Q. What is a Quadrilateral? 27.Parallelogram?... | |
 | William Templeton (engineer.) - 1845 - 210 pages
...3. The radius of a circle is a straight line drawn from the centre to the circumference, as OB. 4. The diameter of a circle is a straight line drawn through the centre, and terminated both ways at the circumference, as C 0 A. 5. A chord is a straight line joining... | |
 | Scottish school-book assoc - 1845 - 444 pages
...within it to the circumference are equal to one another; 15. And this point is called the centre. 16. The diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. ' 17- A semicircle is the figure contained by... | |
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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. 
