 | Adrien Marie Legendre - 1822 - 394 pàgines
...the name of right-angled, isosceles, equilateral, in the same cases as a rectileneal triangle. VIII. A spherical polygon is a portion of the surface of a sphere terminated by several arcs of great circles. IX. A lunc is that portion of the surface of a sphere,... | |
 | Richard Wilson - 1831 - 372 pàgines
...°,/3==£ty = JL, У У У hence - (a' + /3' + y') is less than 2 тг, or a' + ß + y' . . . .2 vr. DEF. XI. A spherical polygon is a portion of the surface of a sphere contained by several arcs of great circles. 32. PROP. The sum of the sides of a spherical polygon is... | |
 | Adrien Marie Legendre - 1836 - 394 pàgines
...takes the Eame 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 terminated by several arcs of great circles. 4. A lune is that portion of the surface of a sphere,... | |
 | Roswell Park - 1841 - 624 pàgines
...two parallel planes ; and the intercepted solid is called a spherical segment. A spherical triangle, is a portion of the surface of a sphere, bounded by three arcs of great circles, that is, circles whose planes pass through the centre. The convex surface of... | |
 | Nathan Scholfield - 1845 - 542 pàgines
...takes the name of right-angled, isosceles, equilateral, in the same cases as a rectilineal triangle. 8. A spherical polygon is a portion of the surface of a sphere, terminated by several arcs of great circles. 9. A lune is that portion of the surface of a sphere which... | |
 | Nathan Scholfield - 1845 - 244 pàgines
...takes the name of right-angled, isosceles, equilateral, in the same cases as a rectilineal triangle. 8. A spherical polygon is a portion of the surface of a sphere, terminated by several arcs of great circles. 9. A lune is that portion of the surface of a sphere which... | |
 | Nathan Scholfield - 1845 - 894 pàgines
...takes the name of right-angled, isosceles, equilateral, in the same cases as a rectilineal triangle. 8. A spherical polygon is a portion of the surface of a sphere, terminated by several arcs of great circles. 9. A lune is that portion of the surface of a sphere which... | |
 | George Roberts Perkins - 1847 - 326 pàgines
...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,... | |
 | Roswell Park - 1847 - 626 pàgines
...two parallel planes ; and the intercepted solid is called a spherical segment. A spherical triangle, is a portion of the surface of a sphere, bounded by three arcs of great circles, that is, circles whose planes pass through the centre. The convex surface of... | |
 | Charles Davies - 1849 - 372 pàgines
...surface of a sphere, which is included between two great semi-circles meeting in a common dia.neter. 3. A spherical polygon is a portion of the surface of a sphere terminated by several arcs of great circles. 5. A spherical wedge, or ungula is that portion of the... | |
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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... 
