 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.  Solid Geometry - Page 439by William Betz, Harrison Emmett Webb - 1916 - 178 pagesFull view - About this book
 | George Albert Wentworth - Geometry - 1899 - 500 pages
...section made by a plane 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 axis... | |
 | George Albert Wentworth - Geometry, Solid - 1899 - 248 pages
...section made by a plane which does not pass through the centre of the sphere. 749. DKF. 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 axis... | |
 | 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 through its... | |
 | George Albert Wentworth - Geometry, Solid - 1902 - 246 pages
...section made by a plane 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 axis... | |
 | George Albert Wentworth - Geometry - 1904 - 496 pages
...section made by a plane 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 axis... | |
 | Charles Davison - Geometry, Solid - 1905 - 140 pages
...sphere, while the 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 - 216 pages
...§ 639. 3. § 54, 15. 4. By iden. 5. § 902, a. 6. §211. 7. § 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
...REASONS 1. § 639. 2. § 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.... | |
 | Walter Burton Ford, Charles Ammerman - Geometry, Plane - 1913 - 376 pages
...not pass through the center is called a small circle of the sphere, as AB, Fig. 233. The axis of a circle of a sphere is the diameter of the sphere which...perpendicular to the plane of the circle. The poles of a circle of a sphere are the extremities of the axis of the circle. 346. Corollary 1. Through any three... | |
 | Walter Burton Ford, Charles Ammerman - Geometry, Solid - 1913 - 176 pages
...not pass through the center is called a small circle of the sphere, as AB, Fig. 233. The axis of a circle of a sphere is the diameter of the sphere which...perpendicular to the plane of the circle. The poles of a circle of a sphere are the extremities of the axis of the circle. 346. Corollary 1. Through any three... | |
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