 | Adrien Marie Legendre - Geometry - 1822 - 394 pages
...their surfaces. Scholium. Conceive a polyedron, all of whose faces touch the sphere ; this polyedron may be considered as formed of pyramids, each having...centre of the sphere, and for its base one of the polyedron's faces. Now it is evident that all these pyramids will have the radius of the sphere for... | |
 | Adrien Marie Legendre - Geometry - 1836 - 394 pages
...their surf&%?s. Scholium. Conceive a polyedron, all of whose faces touch the sphere ; this polyedron may be considered as formed of pyramids, each having...centre of the sphere, and for its base one of the polyedron's faces. Now it is evident that all these pyramids will have the radius of the sphere for... | |
 | George Leonard (Jr.) - Arithmetic - 1839 - 362 pages
...the product of the surface of one end by the length, the quantity contained in a pyramid, or cone, is equal to One third of the product of its base by its height. What is called the frustnim of a pyramid or cone ? What is said of pyramids and cones which... | |
 | George Leonard - Arithmetic - 1841 - 356 pages
...the product of the surface of one end by the length, The quantity contained in a pyramid, or cone, is equal to One third of the product of its base by its height. . Figure 20. The surface of a sphere, globe, or ball, like figure 20, has been found by calculation... | |
 | James Bates Thomson - Geometry - 1844 - 268 pages
...their surfaces. Scholium. Conceive a polyedron, all of whose faces touch the sphere ; this polyedron may be considered as formed of pyramids, each having...centre of the sphere, and for its base one of the polyedron's faces. Now it is evident that all these pyramids will have the radius of the sphere for... | |
 | Nathan Scholfield - 1845 - 894 pages
...1. Conceive also a polyedron, all of whose faces touch the sphere; this polyedron may be considerd as formed of Pyramids, each having for its vertex...centre of the sphere, and for its base one of the polyedrons faces. Now, it is evident l"at all these pyramids will have the radius of the sphere for... | |
 | Nathan Scholfield - Geometry - 1845 - 506 pages
...1. Conceive also a polyedron, all of whose faces touch the sphere; this polyedron may be considerd as formed of pyramids, each having for its vertex...centre of the sphere, and for its base one of the polyedrons faces. Now, it is evident that all these pyramids will have the radius of the sphere for... | |
 | Nathan Scholfield - Conic sections - 1845 - 542 pages
...1. Conceive also a polyedron, all of whose faces touch the sphere; this polyedron may be considerd as formed of pyramids, each having for its vertex...centre of the sphere, and for its base one of the polyedrons faces. Now, it is evident that all these pyramids will have the radius of the sphere for... | |
 | Charles Davies - Trigonometry - 1849 - 372 pages
...Conceive a polyedron, all of whose faces touch the sphere ; this polyedron may be considered as formed ot pyramids, each having for its vertex the centre of the sphere, and for its base one of the polyedron's faces. Now it is evident that all these pyramids will have the radius of the sphere for... | |
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This pulyedrun may be considered as formed of pyramids, each having for its vertex the centre of the sphere, and for its base one of the faces of the polyedron. 
