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" 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 Geometry and Trigonometry Translated from the French of A.M ... - Page 247
by Charles Davies - 1849 - 359 pages
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Elements of Surveying and Leveling; with Descriptions of the Instruments ...

Charles Davies - 1871 - 458 pages
...40'; required the distance AB. Ans. 592.967 yards. ELEMENTS OF SURVEYING. [BOOK n. Ans. 939.634 yards. hill, there were measured, the angle of elevation...was 33° 45': required the height of the tower. Ans. 83.998. 4. Wanting to know the horizontal distance between two inaccessible objects E and W, the following...
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Elements of Geometry and Trigonometry

Adrien Marie Legendre - Geometry - 1871 - 492 pages
...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 inaccessible...measuring in a direct line 180 feet farther from the hill, thf angle of elevation of the top of the tower was 33° 45' ; required the height of the tower. Ans....
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Elements of Geometry and Trigonometry from the Works of A.M. Legendre ...

Charles Davies - Geometry - 1872 - 464 pages
...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 inaccessible...measuring in a direct line 180 feet farther from the bill, the of elevation of the top of the tower was 33° 45'; required the height of the tower. Ans....
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Elements of Geometry and Trigonometry: From the Works of A.M. Legendre

Adrien Marie Legendre - Geometry - 1874 - 512 pages
...Requir« ed 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 inaccessible...33° 45' ; required the height of the tower. Ans. 83.998 ft. 6. Wanting to know the horizontal distance between two inaccessible objects E and W, the...
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Elements Of Geometry And Trigonometry

Charles Davies - 1874 - 464 pages
...distance Ali. Ans. 592.907 ft. 5. Being on a horizontal plane, and wanting to ascertain the he1ght of a tower, standing on the top of an inaccessible...a direct line 180 feet farther from the hill, the PLANE TRIGONOMETRY. angle of elevation of the top of the tower was 33° 45' ; required the height of...
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Elements of Surveying and Leveling

Charles Davies - Surveying - 1883 - 564 pages
...required the distance AB. Ans. 592.967 yards. 3. Being ou a horizontal plane, and wanting to ascertain the height of a tower standing on the top of an inaccessible...33° 45' : required the height of the tower. Ans. 83.998. 182 ELEMENTS OF SURVEYING. 3* Ej\ // Fid. 100. f AB =536 yards BA W = 40° 16' viz.: 4. JIVUS"...
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Elements of Geometry and Trigonometry from the Works of A.M. Legendre ...

Adrien Marie Legendre, Charles Davies - Geometry - 1885 - 540 pages
...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 inaccessible...tower 51°; then measuring in a direct line 180 feet PLANE TRIGONOMETRY. farther from the hill, the angle of elevation of the top of the tower was 33°...
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Elements of Geometry and Trigonometry: With Applications in Mensuration

Charles Davies - Geometry - 1886 - 346 pages
...required the distance AB. Ans. 592.967 yards. 3. Being on a horizontal plane, and wanting to ascertain the height of a tower, standing on the top of an inaccessible...elevation of the top of the tower was 33° 45' ; required tLe height of the towe1. TRIGONOMETRY. Applications. Ans. 939.634 yards. 4. Wanting to know the horizontal...
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