 | Edward Shaw - Architecture - 1836 - 438 pages
...The radius of a circle is a right line drawn from the centre to the circumference, 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 с il. at В. 45. An arc of a circle \s any part... | |
 | Frederick Augustus Griffiths - 1839 - 348 pages
...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 diameter and half the... | |
 | Nathan Scholfield - 1845 - 894 pages
...the 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... | |
 | Peter Nicholson - Geometry - 1845 - 430 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.... | |
 | Nathaniel Bowditch - 1846 - 854 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... | |
 | Euclides - 1846 - 272 pages
...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... | |
 | James Wharton - 1847 - 224 pages
...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... | |
 | Anthony Nesbit - Plane trigonometry - 1847 - 492 pages
...degree 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... | |
 | William Vogdes - Arithmetic - 1847 - 324 pages
...quarter of 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, Joseph Gwilt - Architectural drawing Technique - 1848 - 750 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... | |
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The radius of a circle is a right line drawn from the centre to the circumference. 
