 | William Nicholson - 1809 - 722 pages
...two great cheles can have a common pole. 5. The poles of a great circle are the two extremities of that diameter of the sphere, which is perpendicular to the plane of that circle, u. A plane passing through three points on the surface of the sphere, equally ili'tant... | |
 | Francis Nichols - Plane trigonometry - 1811 - 162 pages
...and divides the sphere into two equal' parts. 5. The poles of any circle are the two extremities of that diameter of the sphere which is perpendicular to the plane of the circle. 6. Hence either pole of any circle is equidistant from every part of its circumference; and each pole... | |
 | William Nicholson - Natural history - 1821 - 384 pages
...two great circles can have a common pole. 5. The poles of a great circle are the two extremities of that diameter of the sphere, which is perpendicular to the plane of that circle. 6. A plane passing through three points on the surface of the sphere, equally distant... | |
 | William Nicholson - Natural history - 1821 - 382 pages
...two great circles can have a common pole. 5. The poles of a great circle are the two extremities of that diameter of the sphere, which is perpendicular to the plane of that circle. 6. A plane passing through three points on the surface of the sphere, equally distant... | |
 | Pierce Morton - Geometry - 1830 - 584 pages
...as its plane passes through the centre of the sphere, or otherwise. 3. The axis of any circle of the sphere is that diameter of the sphere which is perpendicular to the plane of the circle; and the extremities of the axis are called the poles of the circle. 4. Parallel circles of a sphere... | |
 | Encyclopedias and dictionaries - 1832 - 636 pages
...the centre of the sphere, the section is called a great circle; if not, it is a lesser circle. (2.) That diameter of the sphere, which is perpendicular to the plane of any circle of the sphere, is called the axis of that circle, and the extremities of this diameter are... | |
 | Mathematics - 1835 - 684 pages
...as its plane passes through the centre of the sphere, or otherwise. 3. The axis of any circle of the sphere is that diameter of the sphere which is perpendicular to the plane of the circle ; and the extremities of the axis are called the poles of the circle. 4. Parallel circles of a sphere... | |
 | John Hymers - Logarithms - 1841 - 244 pages
...same property, are called the nearer and more remote poles of the circle AB ; being the extremities of that diameter of the sphere which is perpendicular to the plane of the circle. They are also the poles of all circles of the sphere whose planes are parallel to ACB. If MN be the... | |
 | Ezra Otis Kendall - Astronomy - 1845 - 408 pages
...a diameter of the sphere, is called a Great Circle. The poles of any circle are the extremities of that diameter of the sphere which is perpendicular to the plane of the circle, or they are points on the surface of the sphere equally distant from all points in the circumference... | |
 | Geological Society of London - Electronic journals - 1853 - 560 pages
...point of a great circle of the sphere. There are, in fact, two such points at opposite extremities of that diameter of the sphere which is perpendicular to the plane of the great circle. Each of these points is also equidistant from every point in the circumference of... | |
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Axis of any circle of a sphere is that diameter of the sphere which is perpendicular to the plane of the circle. 
