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Libros Libros 31 - 33 de 33 sobre Being on a horizontal plane, and wanting to ascertain the height of a tower, standing...
" Being on a horizontal plane, and wanting to ascertain the height of a tower, standing on the top of an inaccessible hill, there were measured, the angle of elevation of the top of the hill 40°, and of the top of the tower 51° ; then measuring in a direct... "
Elements of Plane and Spherical Trigonometry: With Their Applications to ... - Página 69
por Olinthus Gregory - 1816 - 244 páginas
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Elements of Surveying and Leveling

Charles Davies - 1883 - 564 páginas
...CA = 672 yards, = 588 yards, = 55° 40'; required the distance AB. Ans. 592.967 yards. 3. Being ou a horizontal plane, and wanting to ascertain the height...tower standing on the top of an inaccessible hill, there were measured, the angle of elevation of the top of the hill 40°, and of the top of the tower...
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Elements of Geometry and Trigonometry from the Works of A.M. Legendre ...

Charles Davies, Adrien Marie Legendre - 1885 - 512 páginas
...feet and 672 feet, and their included angle 55° 40'. Required- the distance AB. Ans. 592.967 ft. 5. Being on a horizontal plane, and wanting to ascertain...tower, standing on the top of an inaccessible hill, there were measured, the angle of elevation of the top of the hill 40°, and of the top of the tower...
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Parliamentary Papers, Volumen43

Great Britain. Parliament. House of Commons - 1863
...triangles. When may the ambiguity be removed ? 12. Wishing to know the height of a tower on the top of a hill, I took the angle of elevation of the top of the tower 51°, and of its bottom 40° ; then measuring on a horizontal plane in a line directly from my...
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