 | William Chauvenet - 1893 - 340 pages
...section made by a plane which does not pass through the centre is called a small circle. 21. Definition. The poles of a circle of the sphere are the extremities...which is perpendicular to the plane of the circle; and this diameter is called the axis of the circle. PROPOSITION V.—THEOREM. 22. Every section of a sphere... | |
 | Arthur Latham Baker - Geometry, Solid - 1893 - 150 pages
...called the axis of the circle, and its extremities are called the poles of the circle. 226. COR. 1. The diameter of the sphere which is perpendicular to the plane of a circle pusses through its centre, Therefore, the aa^is of a circle passes through its centre and... | |
 | George Albert Wentworth - Geometry - 1899 - 498 pages
...which does not pass through the centre of the sphere. 749. DBF. The axis of a circle of a sphere is the diameter of the sphere which is perpendicular to the plane of the circle. The ends of the axis are called the poles of the circle. 750. COB. 1. Parallel circles have the same... | |
 | George Albert Wentworth - Geometry, Solid - 1899 - 246 pages
...which does not pass through the centre of the sphere. 749. DEF. The axis of a circle of a sphere is the diameter of the sphere which is perpendicular to the plane of the circle. The ends of the axis are called the poles of the circle. 750. COR. 1. Parallel circles have the same... | |
 | William Robert Martin - Nautical astronomy - 1899 - 474 pages
...of a sphere made by a plane not passing through the centre. The axis of a circle of a sphere is that diameter of the sphere which is perpendicular to the plane of the circle. The poles of a circle are the extremities of its axis. A secondary to a circle is a great circle passing... | |
 | George Albert Wentworth - Geometry, Solid - 1902 - 248 pages
...which does not pass through the centre of the sphere. 749. DBF. The axis of a circle of a sphere is the diameter of the sphere which is perpendicular to the plane of the circle. The ends of the axis are called the poles of the circle. 750. COR. 1. Parallel circles have the same... | |
 | George Albert Wentworth - Geometry - 1904 - 496 pages
...which does not pass through the centre of the sphere. 749. DEF. The axis of a circle of a sphere is the diameter of the sphere which is perpendicular to the plane of the circle. The ends of the axis are called the poles of the circle. 750. COR. 1. Parallel circles have the same... | |
 | Charles Davison - Geometry, Solid - 1905 - 140 pages
...radius of a small circle is less than that of the sphere. DEF. 61. The axis of any circle of a sphere is the diameter of the sphere which is perpendicular to the plane of the circle. DEF. 62. The poles of any circle of a sphere are the extremities of its axis. DEF. 63. Either end of... | |
 | Clara Avis Hart, Daniel D. Feldman, Virgil Snyder - Geometry, Solid - 1912 - 222 pages
...By iden. 4. § 902, a. 5. § 211. 6. § 110. § 276. 906. Def. The axis of a circle of a sphere is the diameter of the sphere which is perpendicular to the plane of the circle. 907. Def. The poles of a circle of a sphere are the extremities of the axis of the circle. Ex. 1472.... | |
 | Clara Avis Hart, Daniel D. Feldman - Geometry - 1912 - 504 pages
...54, 15. 3. By iden. 4. § 902, a. 5. § 211. 6. § 110. 906. Def. The axis of a circle of a sphere is the diameter of the sphere which is perpendicular to the plane of the circle. 907. Def. The poles of a circle of a sphere are the extremities of the axis of the circle Ex. 1472.... | |
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The axis of a circle of a sphere is the diameter of the sphere which is perpendicular to the plane of the circle. The ends of the axis are called the poles of the circle. 
