 | Walter Burton Ford, Charles Ammerman - Geometry, Plane - 1913 - 378 pages
...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 is 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.... | |
 | Walter Burton Ford, Charles Ammerman - Geometry, Solid - 1913 - 184 pages
...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 is 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.... | |
 | Horace Wilmer Marsh - Mathematics - 1914 - 272 pages
...plane which does not pass through the center of the sphere. 234. The Axis of a Circle of a Sphere is the diameter of the sphere which is perpendicular to the plane of the circle. The poles are the extremities of the axis. 236. The Angle of Two Curves Through the Same Point is the... | |
 | John Charles Stone, James Franklin Millis - Geometry, Solid - 1916 - 196 pages
...path of a star is a circle. 436. Axis and poles of a circle. — The axis of a circle of a sphere is the diameter of the sphere which is perpendicular to the plane of the circle. The poles of a circle of a sphere are the extremities of the axis of the circle. Thus, if AB is the.... | |
 | William Betz, Harrison Emmett Webb - Geometry, Solid - 1916 - 214 pages
...the sphere whose center is the center of the sphere. 728. The axis of a great circle of a sphere is the diameter of the sphere which is perpendicular to the plane of the circle. The poles of a great circle are the ends of the axis, A quadrant is one fourth of a "great circle.... | |
 | William Betz - Geometry - 1916 - 536 pages
...the sphere whose center is the center of the sphere. 728. The axis of a great circle of a sphere is the diameter of the sphere which is perpendicular to the plane of the circle. The poles of a great circle are the ends of the axis. A quadrant is one fourth of a great circle. PRELIMINARY... | |
 | Webster Wells - Geometry - 1916 - 328 pages
...® parallel to the equator. Ex. 7. Four. Ex. 8. Eight. Ex. 9. The axis of any 0 of a sphere is that diameter of the sphere which is perpendicular to the plane of the circle. But that diameter will also be perpendicular to every plane parallel to the plane of the given circle... | |
 | James Atkins Bullard, Arthur Kiernan - Trigonometry - 1922 - 252 pages
...a plane which does not pass through the center of the sphere. 3. The poles of a circle are the ends of the diameter of the sphere which is perpendicular to the plane of the circle. 'The distance along a great circle arc from the circle to its nearer pole is called the polar distance... | |
 | Walter Burton Ford, Charles Ammermann - Geometry, Modern - 1923 - 406 pages
...center is called a small circle of the sphere, as AB, Fig. 248. The axis of a circle of a sphere is the diameter of the sphere which is 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.... | |
 | Sir David Wilson Barker, William Allingham - Navigation - 1923 - 190 pages
...surface made by a plane which does not pass through the centre. Axis of a circle of a sphere is that diameter of the sphere which is perpendicular to the plane of the circle. Poles are the extremities of the axis. A secondary to a circle is a great circle passing through its... | |
| |
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. 
