 | Horatio Nelson Robinson - Geometry - 1860 - 470 pages
...of the surface of a sphere included between two great semi-circumferences having a common diameter. 7. A Spherical Pyramid is a portion of a sphere bounded by the faces of a solid angle having its vertex at the center, and the spherical polygon which these faces... | |
 | Adrien Marie Legendre - Geometry - 1863 - 464 pages
...portion of the surface of a sphere bounded by semi-circumferences of two great circles. 6. A SPHEEICAL PYRAMID is a portion of a sphere bounded by a spherical polygon and sectors of circles whose common centre is the centre of the sphere. The spherical polygon is called... | |
 | William Chauvenet - Geometry - 1871 - 380 pages
...equilateral, in the same cases as a plane triangle. 62. Definition. A spherical pyramid is a solid bounded by a spherical polygon and the planes of the sides of the polygon ; as O-ABCD. The centre of the sphere is the vertex of the pyramid ; the spherical polygon is its base.... | |
 | Charles Davies - Geometry - 1872 - 464 pages
...LUNE is a portion of the surface of a sphere bounded by two semi-circumferences of great circles. 6. A SPHERICAL PYRAMID is a portion of a sphere bounded by a spherical polygon and sectors of circles whose common centre is the centre of the sphere. The spherical polygon is called... | |
 | William Chauvenet - Geometry - 1872 - 382 pages
...equilateral, in the same cases as a plane triangle. 62. Definition. A spherical pyramid is a solid bounded by a spherical polygon and the planes of the sides of the polygon; as 0-ABCD. The centre of the sphere is-the vertex of the pyramid; the spherical polygon is its base.... | |
 | Adrien Marie Legendre - Geometry - 1874 - 500 pages
...bounded by a lune and two semicircles, which intersect in a diameter of the sphere. 6. A SPHEBICAL PYRAMID is a portion of a sphere bounded by a spherical polygon and sectors of circles whose common centre is the centre of the sphere. The spherical polygon is called... | |
 | William Guy Peck - Conic sections - 1876 - 412 pages
...polygon of three sides. Spherical triangles are classified in the same manner as plane triangles. 129. A spherical pyramid is a portion of a sphere bounded by a spherical polygon, and by sectors of circles whose arcs are the sides of the polygon. MANUAL OF GEOMETRY. 130. A lune is a... | |
 | George Albert Wentworth - Geometry - 1877 - 426 pages
...the centre of the sphere, and whose face angles are measured by the sides of the polygon. 717. DEF. A spherical Pyramid is a portion of a sphere bounded...spherical polygon is the base of the pyramid, and the centre of the sphere is its vertex. 718. DEF. A spherical Triangle is a spherical polygon of three... | |
 | George Albert Wentworth - Geometry - 1877 - 416 pages
...the centre of the sphere, and whose face angles are measured by the sides of the polygon. 717. DEF. A spherical Pyramid is a portion of a sphere bounded...spherical polygon is the base of the pyramid, and tho centre of the sphere is its vertex. 718. DEF. A spherical Triangle is a spherical polygon of three... | |
 | Horatio Nelson Robinson - Trigonometry - 1880 - 228 pages
...of the surface of a sphere included between two great semi.circumferences having a common diameter. 7. A Spherical Pyramid is a portion of a sphere bounded by the faces of a solid angle having its vertex at the center, and the spherical polygon which these faces... | |
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The centre of the sphere is the vertex of the pyramid, and the spherical polygon is the base of the pyramid. 
