| Isaac Todhunter - Spherical trigonometry - 1863 - 182 pages
...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.... | |
| Euclides - 1865 - 80 pages
...same circle are equal, for each of them is equal to the radiant. 35. The DIAMETER of a circle is a **straight line drawn through the centre, and terminated both ways by the** circumference. 36. An ARC of a circle is any part of the circumference. 37. Magnitudes which coincide... | |
| Euclides - 1865 - 402 pages
...another. XVI. And this point is called the centre of the circl*. XVII. A diameter of a circle is a **straight line drawn through the centre, and terminated both ways by the** circum/ ference. NB — When several angles are at one point B, any one of them is expressed by three... | |
| Edward Clarke Lowe - 1866 - 172 pages
...one another. 1C. 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 by the** circumference. 18. A semicircle is the figure contained by a diameter and the part of the circumference... | |
| Euclid, Isaac Todhunter - Euclid's Elements - 1867 - 426 pages
...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 by the** circumference. [A radius of a circle is a straight line drawn from the centre to the circumference.]... | |
| Gerardus Beekman Docharty - Geometry - 1867 - 474 pages
...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, and terminated both ways by the** surface. It appears from Definition 1 that all the radii of the same sphere are equal, and that all... | |
| Septimus Tebay - Measurement - 1868 - 168 pages
...13. A radius is a straight line drawn from the centre to the circumference (CD). 14. A diameter is a **straight line drawn through the centre, and terminated both ways by the** circumference (AE) . 15. A semicircle is the figure contained by a diameter and part of the circumference... | |
| Isaac Todhunter - Measurement - 1869 - 312 pages
...radius of a sphere is a straight line drawn from the centre to the surface. A diameter of a sphere is a **straight line drawn through the centre, and terminated both ways by the** surface. The intersection of a sphere with any plane is a circle ; if the plane passes though the centre... | |
| William Chauvenet - Geometry - 1871 - 380 pages
...O. 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... | |
| Euclides - 1871 - 136 pages
...from the centre of a circle to the circumference is called a RADIUS. XV. A DIAMETER of a circle is a **straight line drawn through the centre and terminated both ways by the** circumference. Tims, in the diagram, 0 is the centre of the circle ABCD, OA, OB, OC, OD are Badii of... | |
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