| Royal Military Academy, Woolwich - Mathematics - 1853 - 400 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.** 18. A semicircle is the figure contained by a diameter and the part of the circumference cut otf by... | |
| Euclides - 1853 - 176 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 b the figure contained by a diameter and the part of the circumference cut off... | |
| Euclides - 1853 - 146 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... | |
| James B. Dodd - 1853 - 402 pages
...radius of a circle is a straight line drawn from the centre to the circumference; and the diameter **is a straight line drawn through the centre, and terminated both ways by the circumference.** 5 392. An arc of a circle is any part of the circumference; and the chord of an arc is a straight line... | |
| Euclides - Geometry - 1853 - 334 pages
...ABC, or DBC, &c. F is the centre ; and FA, FB, FC, &c., are radii. XVII. A diameter of a circle is any **straight line drawn through the centre and terminated both ways by the circumference.** XVIII. A semicircle is the figure contained by any diameter of a circle, and by either of the two parts... | |
| Thomas Lund - Geometry - 1854 - 522 pages
...measures the distance from the centre to the circumference is called the radius of the circle. Any **straight line drawn through the centre and terminated both ways by the circumference** is called a diameter of the circle. Thus, in the fig. here traced, the area or surface in the plane... | |
| William Somerville Orr - Science - 1854 - 532 pages
...centre. The radius of a sphere is a straight line drawn from the centre to any point in the sphere. IV. **A straight line drawn through the centre, and terminated both ways by the** surface of the sphere, is called the diameter. PROPOSITION I. 'Every section of a tpliere made by aplane... | |
| Jeremiah Day - Logarithms - 1855 - 344 pages
...any portion of the circumference. A semi-circle is half, and a quadrant onefourth of a circle. II. **A Diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference.** A Radius is a straight line extending from the centre to the circumference. A Chord is a straight line... | |
| Euclides - 1858 - 248 pages
...The straight lines from the centre to the circumference are radii. 17. A diameter of a circle is any **straight line drawn through the centre, and terminated both ways« by the circumference** ; as AB, or DE, in the circle AD BE. A diameter is double of a radius. 18. A semicircle is the figure... | |
| Isaac Todhunter - Spherical trigonometry - 1859 - 156 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. 2. Tliz section of the surface of a sphere made by any plane is a circle.... | |
| |