 | Euclides - 1884 - 182 pages
...circumference are equal to one another. 16. And this point is called the centre of the circle. 17. A diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference. The most important of all figures is defined first, although bounded by a curved line (and not by "one... | |
 | Euclides - 1884 - 214 pages
...circumference, are equal to one another. XVI. And this point is called the centre of the circle. XVII. A diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference. XVIII. A semicircle is the figure contained by a diameter and the part of the circumference cut off... | |
 | Colin Arrott R. Browning - 1884 - 274 pages
...drawn from the centre to the circumference are equal. Every such line is called a radius. The Diameter is a straight line drawn through the centre and terminated both ways by the circumference. The relation between the diameter and the circumference of a circle is expressed by the symbol TT,... | |
 | James Bailey Andrews - Circle-squaring - 1884 - 40 pages
...to one another, and this point is called the centre of the circle. A diameter of a circle is a right line drawn through the centre, and terminated both ways by the circumference." — Defs. 15, 16, and 17, B. 1. Now, a polygon is not bounded by one line, nor are all right lines... | |
 | William John M'Clelland - 1885 - 182 pages
...Centre. Any straight line drawn from the centre of a sphere to the surface is called a Radius, and any straight line drawn through the centre and terminated both ways by the surface is called a Diameter. A sphere may be generated by the revolution of a semicircle round its... | |
 | Euclides - 1885 - 340 pages
...line drawn from the centre to the circumference, such as CD. xxxiv. A diameter of a circle is a right line drawn through the centre and terminated both ways by the circumference, such as AB. From the definition of a circle it follows at once that the path of a movable point in... | |
 | Euclid, John Casey - Euclid's Elements - 1885 - 340 pages
...drawn from the centre to the circumference, such as CD. ( xxxiv. A diameter of a circle is a right line drawn through the centre and terminated both ways by the circumference, such as AB. From the de6nition of a circle it follows at once that the path of a movable point in a... | |
 | William Chauvenet - Geometry - 1887 - 331 pages
...A radius of the sphere is any straight line drawn from the centre to the surface. A diameter is any straight line drawn through the centre and terminated both ways by the surface. Since all the radii are equal and every diameter is double the radius, all the diameters are... | |
 | Nathaniel Bowditch - Nautical astronomy - 1888 - 704 pages
...sphere. The straight line which joins any point of the surface with the centre is called a radius. A straight line drawn through the centre and terminated both ways by the surface is called a diameter. The section of the surface of a sphere made by any plane is called a... | |
 | George William Usill - Surveying - 1889 - 306 pages
...Centre of Circle. — And this point is called the centre of the circle. 9. Diameter of Circle. — The diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference. Note. — The radius of a circle is a straight line drawn from the centre to the circumference. 10.... | |
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A circle is a plane figure contained by one line, which is called the circumference, and is such, that all straight lines drawn from a certain point within the figure to the circumference are equal to one another : 16. And this point is called the centre... 
