 | Euclides - 1860 - 288 pages
...centre to the circumference of a circle is called a radius, as CD, CB, or CE. 20. A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference, as BE. 21. A semicircle is the figure contained by a diameter, and the part of the circumference... | |
 | George Roberts Perkins - Geometry - 1860 - 472 pages
...described in this movement by the curve DAE will have all its points equally distant from the centre C. The radius of a sphere is a straight line drawn from the centre to any point in the surface ; the diameter, or axis, is a line passing through this centre, and terminated... | |
 | Charles Hutton - Mathematics - 1860 - 1020 pages
...described by the motion of the curve ABP will have all its points equally distant from the centre Ü 2. The radius of a sphere is a straight line drawn from the centre to any point on the surface. The diameter or axis of a sphere is a straight line drawn through the centre,... | |
 | James Smith - Circle-squaring - 1861 - 292 pages
...circumference, are equal to one another. This point within the figure is called the centre of the circle. A straight line drawn through the centre, and terminated both ways by the circumference, is called a diameter of the circle. Do you really mean to deny, that such a circle can... | |
 | Benjamin Greenleaf - Geometry - 1862 - 518 pages
...formed by the revolution of a semicircle, DAE, about its diameter, DE, which remains fixed. 498. The RADIUS of a sphere is a straight line drawn from the centre to any point in surface, as the line C B. The DIAMETER, or Axis, of a sphere is a line passing through... | |
 | Benjamin Greenleaf - Geometry - 1862 - 532 pages
...formed by the revolution of a semicircle, DAE, about its diameter, DE, which remains fixed. 498. The RADIUS of a sphere is a straight line drawn from the centre to any point in surface, as the line С В. The DIAMETER, or Axis, of a sphere is a line passing through... | |
 | Euclides - 1862 - 140 pages
...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 the centre, and terminated both ways oy the circumference. 18. A semicircle is the figure contained by a diameter and the part of the circumference... | |
 | Isaac Todhunter - Spherical trigonometry - 1863 - 182 pages
...the sphere. The straight line which joins any point of the surface with the centre is called a radiw. A straight line drawn through the centre and terminated both ways by the surface is called a diameter. 2. The section of the surface of a sphere made by any plane is a circle. Let... | |
 | Euclides - 1863 - 122 pages
...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 the centre, and terminated both ways by the circumference. XVIII. A semicircle is the figure contained by a diameter and the part of tho circumference... | |
 | Euclides - 1863 - 74 pages
...centre to the circumference are radii. 17. A diameter of a circle (diametros, a measure through), is any straight line drawn, through the centre, and terminated both ways by the circumference; as AB, or DE, in the circle ADBE. A diameter is double of a radius, (radius, the spoke... | |
| |
A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. 
