| Frederick Augustus Griffiths - 1839
...into 60 degrees (marked thus 0 ); each degree into 60 minutes (') each minute into GO seconds ("). The **Diameter of a circle is a right line drawn through the centre and terminated** by the circumference. A Semicircle (180°) is that part of a circle which is contained between the... | |
| Geometry - 1845 - 333 pages
...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 through the centre** terminating on both sides of the circumference An arc of a circle is any part of the circumference.... | |
| 1845
...centre of a circle to the circumference, and it follows from Def. 2. that all radii arc equal. 5. The **diameter of a circle is a right line drawn through the centre.** Hence, according to Def. 4, it is twice the radius. In the annexed diagram the surface enclosed by... | |
| 1846 - 451 pages
...AC ; or it is that line which is taken between the points of the compasses to describe the circle. **A DIAMETER of a circle is a right line drawn through the centre, ^, and terminated** at both ends by the circumference, as ЛСВ ; and is v^_^x the double of the radius, AC. A diameter... | |
| T W Herbert - 1846
...the figure, all right lines drawn are equal. 16. That point is called the centre of the circle. 17. **A diameter of a circle is a right line drawn through the centre, and** both of its extremities terminate in the circumference. 18. A radius is a right line drawn from the... | |
| Anthony Nesbit - Technology & Engineering - 1847 - 426 pages
...into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds. 40. The **diameter of a circle is a right line drawn through the centre, and** terminating in the circumference on each side ; as A B. When 41. The radius of a circle is half the... | |
| James Wharton - 1847
...circumference, which is everywhere equi- д distant from a certain point within it, called the centre. 36. The **diameter of a circle is a right line drawn through the centre, and** terminating in the circumference on each side, as AB. 37. The radius of a circle is half the diameter... | |
| William Vogdes - Arithmetic - 1847 - 256 pages
...a circle. 33. The radius of a circle is a line drawn from the centre to the circumference. 34. The **diameter of a circle, is a right line drawn through the centre,** terminated both ways by the circumference. • 35. A solid is that which has length, breadth, and thickness,... | |
| Peter Nicholson - Architecture - 1848 - 280 pages
...The radius of a circle is a right line drawn from the centre to the circumference, as ab, at A. 44. **A diameter of a circle is a right line drawn through the centre,** terminating on both sides of the circumference, as a/,atB. 45. An arc of a circle is any part of the... | |
| John Weale - 1850
...tailed 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 through the centre,** terminating on both sides of the circumference. An arc of a circle is any part of the circumference.... | |
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