 | Isaac Todhunter - 1863 - 182 sider
...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 sider
...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 the whole of... | |
 | Euclides - 1865 - 402 sider
...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 sider
...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 it cuts off.... | |
 | Euclid, Isaac Todhunter - 1867 - 426 sider
...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.] 18. A semicircle... | |
 | Euclid, Isaac Todhunter - 1867 - 424 sider
...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.] 18. A semicircle... | |
 | Gerardus Beekman Docharty - 1867 - 474 sider
...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 - 1868 - 168 sider
...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 cut off... | |
 | Isaac Todhunter - 1869 - 312 sider
...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... | |
 | Euclides - 1870 - 270 sider
...lines CA, CD, CB, &c., all equal. The straight liuea from the centre to the circumference are radii. H 17. A diameter of a circle (diametros, a measure through)...and terminated both ways by the circumference; as st. lines AB or DE, in the circle ADBE. A diameter is double of a radius (radius, the spoke of a likeel).... | |
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A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. 
