 | George Roberts Perkins - Geometry - 1850 - 332 pages
...the name of right angled, isosceles, equilateral, in the same cases as a rectilineal triangle. 14. A spherical polygon is a portion of the surface of a sphere, terminated by several arcs of great circles. 15. A lune is that portion of the surface of a sphere... | |
 | Adrien Marie Legendre - Geometry - 1852 - 436 pages
...takes the name of right-angled, isosceles, equilateral, in the same cases as a rectilineal triangle. 3. A SPHERICAL POLYGON is a portion of the surface of a sphere bounded by arcs of . great circles. 4. A LUNE is a portion of the surface of a sphere in^ eluded between two semi-circles... | |
 | Charles Davies - Geometry - 1854 - 436 pages
...base, its solidity is ±PxH+\«xH\ BOOK IX. SPHERICAL GEOMETRY. DEFINITIONS. 1. A SPHERICAL TRIANGLE is a portion of the surface of a sphere, bounded by three arcs of great circles. These arcs are named the sides of the triangle, and each is less than a semicircumference.... | |
 | Elias Loomis - Trigonometry - 1855 - 192 pages
...determine the several parts of a spherical triangle from having certain parts given. A spherical triangle is a portion of the surface of a sphere, bounded by three arcs of great circles, each of which is less than a semicircumference. RIGHT-ANGLED SPHERICAL TRIANGLES.... | |
 | 1855 - 424 pages
...determine the several parts of a spherical triangle from having certain parts given. A spherical triangle is a portion of the surface of a sphere, bounded by three arcs of great circles, each of which is less than a semicircle. EIGHT-ANGLED SPHERICAL TRIANGLES. ТНЕППЬМ... | |
 | George Roberts Perkins - Geometry - 1856 - 460 pages
...the name of right-angled, isosceles, equilateral, in the same cases as a rectilineal triangle. III. A spherical polygon is a portion of the surface of a sphere, terminated by several arcs of great circles. IV. A lune is that portion of the surface of a sphere,... | |
 | Adrien Marie Legendre, Charles Davies - Geometry - 1857 - 442 pages
...the 'name of right•angled, isosceles, equilateral, in the same cases as a rectilineal triangle. 3. A SPHERICAL POLYGON is a portion of the surface of...sphere bounded by three or more arcs of great circles. 4. A LUNE is a portion of the surface of a sphere included between two semi•circles intersecting... | |
 | Elias Loomis - Logarithms - 1859 - 372 pages
...determine the several parts of a spherical triangle from having certain parts given. A spherical triangle is a portion of the surface of a sphere, bounded by three arcs of great circles, each of which is less than a semicircumference. RIGHT-ANGLED SPHERICAL TRIANGLES.... | |
 | Horatio Nelson Robinson - Geometry - 1860 - 470 pages
...other, of the portions of the surface of a sphere which are bounded by the arcs of its great circles. 2. A Spherical Polygon is a portion of the surface of...sphere bounded by three or more arcs of great circles, called the sides of the polygon. 3. The Angles of a spherical polygon are the angles formed by the... | |
 | George Roberts Perkins - Geometry - 1860 - 472 pages
...takes the name of right-angled, isosceles, equilateral, in the same cases as a rectilineal triangle. HL A. spherical polygon is a portion of the surface of a sphere, terminated by several arcs of great circles. IV. A lune is that portion of the surface of a sphere,... | |
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A spherical polygon is a portion of the surface of a sphere bounded by three or more arcs of great circles. The bounding arcs are the sides of the polygon ; the... 
