 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 Surveying - Página 55por Charles Davies - 1830 - 300 páginasVista completa - Acerca de este libro
 | James Hann - 1854 - 140 páginas
...plane, and wanting to know the height of a tower placed on the top of an inaccessible hill : I took the angle of elevation of the top of the hill 40°, and...of the top of the tower 51°; then measuring in a line directly from it to the distance of 200 feet farther, I found the angle at the top of the tower... | |
 | Adrien Marie Legendre, Charles Davies - 1857 - 442 páginas
...it was found that, CB = 672 yards, CA -=588 yards, required the distance AB. Ans. 592.967 y:u\k 8. Being on a horizontal plane, and wanting to ascertain...hill, the angle of elevation of the top of the tower waf 33° 45' ; required the height of the tower. Ana. 83.998. 4. Wanting to know the hori• jsontal... | |
 | Charles Davies - 1863 - 436 páginas
...found that CB = 672 yards CA — 588 yards ACB = 55° 40'; required the distance AB3 592-967 yards3 Being on a horizontal plane, and wanting to ascertain...of the top of the hill 40°, and of the top of the towar 51°; then measuring in a direct line 180 feet farther from the hill, the angle of elevation... | |
 | Olinthus Gregory - 1863 - 482 páginas
...triangle c BD, by means of the relation between sides and the sines of their opposite angles. EXAMPLE VI. Being on a horizontal plane, and wanting to ascertain...tower standing on the top of an inaccessible hill, I took the angle of elevation of the top of the hill 40°, and of the top of the tower 51°, then measuring... | |
 | Charles Davies - 1864 - 358 páginas
...found that CB — 672 yards CA — 588 yards ACB = 55° 40'; required the distance ABAns 592-067 yards3 Being on a horizontal plane, and wanting to ascertain...a direct line 180 feet farther from the hill, the a-1gle of elevation of the top of the tower was 33° 45' ; required the height of tho tower210 Applications4... | |
 | Charles Davies - 1866 - 448 páginas
...ACB: 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...top of the hill 40°, and of the top of the tower 5Г ; then measuring in a direct line 180 feet farther from the hill, the angle of elevation of the... | |
 | Charles Davies, Adrien Marie Legendre - 1869 - 470 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...• 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... | |
 | Adrien Marie Legendre - 1871 - 490 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...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.... | |
 | Charles Davies - 1872 - 464 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...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.... | |
 | Charles Davies - 1874 - 464 páginas
...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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