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Libros Libros 21 - 30 de 31 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 Geometry and Trigonometry: From the Works of A.M. Legendre ...

Charles Davies, Adrien Marie Legendre - 1854 - 432 páginas
...it was found that, CB = 672 yards, CA = 588 yards, required the distance AB. Ans. 592.967 yards. 3. 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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Examination papers used at the examinations for direct commissions [&c.].

War office - 1858 - 12 páginas
...— ti\ , A — bs — c 10. Being on a horizontal plane, and wanting to find the height of a tower on the top of an inaccessible hill, I took the angle of elevation of the tower 61°, and of the top of the hill 40°, then measuring in a line directly from the tower to the...
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Lessons on plane trigonometry

Edward Butler (A.M.) - 1862
...the mark from its bottom. 4. Being on a horizontal plane, and wanting to know the height of an object on the top of an inaccessible hill, I took the angle of elevation of the top of the hill, 40°, aud of the top of the object, 51° ; measuring then in a direct line from it to the distance of 100...
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Elements of Geometry and Trigonometry, from the Works of A.M. Legendre

1869
...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...• the height of a tower, standing on the top of an inaccessiblehill, there were measured, the angle of elevation of the top of the hill 40°, and of the...
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Elements of Geometry and Trigonometry: With Applications in Mensuration

1870 - 319 páginas
...В = 672 yards С А — 588 yards ACB = 55° 40'; required the distance AB. Ans. 592.067 yards. 3. 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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Elements of Geometry and Trigonometry from the Works of A.M. Legendre ...

Charles Davies - 1872 - 455 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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Plane and Spherical Trigonometry, Parte1

Henry W. Jeans - 1873
...angle above the ground. Ans. 41-48 feet. [22]. (Fig. 25.) To determine the height of an object, EB, on the top of an inaccessible hill, I took the angle of elevation, ACE, of the top of the hill=40°, and also that of the top of the object ACB=51°. Going then 100 yards...
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Plane and spherical trigonometry. [With] Solutions of problems. [Followed by ...

Henry William Jeans - 1873
...angle above the ground. Ans. 41-48 feet. [22]. (Fig. 25.) To determine the height of an object, EB, on the ' top of an inaccessible hill, I took the angle of elevation, ACE, of the top of the hill=40°, and also that of the top of the object ACB=51°. Going then 100 yards...
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Elements of Geometry and Trigonometry: From the Works of A.M. Legendre

1874 - 455 páginas
...feet and 672 feet, and their included angle 55° 40'. Requir« ed 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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Elements of Surveying and Leveling

Charles Davies - 1883 - 564 páginas
...CB = 672 yards, CA = 588 yards, = 55° 40' ; Ans. 592.967 yards. FIo. required the distance AB. 3. 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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