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| Libros | Libros |
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| Libros | Libros |
 Moreover, since any triangle whatever is equal to a right-angled triangle of the same base and altitude (Geom. 170), we can make use of the following simple rule, where the known parts admit of it, as equivalent to the foregoing; namely, the area of a...  An Elementary Treatise on the Application of Trigonomentry to Orthographic ... - Página 89 por John Farrar - 1833 - 155 páginas Vista completa -
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