| Olinthus Gregory - Mathematics - 1834 - 427 pages
...wanting to ascertain the height of a tower standing on the top of an inaccessible hill, I :ook the **angle of elevation of the top of the hill 40°, and...of the tower 51°, then measuring in a direct line** ISO feet farther from the hill, I took in the same vertical plane the angle of elevation of the top... | |
| William Galbraith - Astronomy - 1834 - 428 pages
...horizontal plane, and wanting to know the height of a tower on the top of an inaccessible hill, I took the **angle of elevation of the top of the hill 40°, and...of the tower 51° ; then measuring in a direct line** 100 feet farther from the hill, I took in the same vertical plane the angle of elevation of the tower... | |
| Charles Davies - Navigation - 1837 - 336 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...tower was 33° 45'; required the height of the tower.** ^ 83 IJ99 4. Wanting to know the horizon- + tal distance between two inaccessi- $Lru ble objects E... | |
| Adrien Marie Legendre - Geometry - 1837 - 359 pages
...the distance AB. * \ Ans. 592.907 feet. 6. Being on a horizontal plane, and wanting to ascertain the **height of a tower, standing on the top of an inaccessible...there were measured, the angle of elevation of the top** oi the hill 40D, and of the top of the tower 51° : then measuring in a direct line 180 feet farther... | |
| Charles Davies - Surveying - 1839 - 376 pages
...required the distance AB. Ana. 599.967 yards. 3. Being on a horizontal plane, and wanting to ascertain the **height of a tower, standing on the top of an inaccessible...the height of the tower. „ .,„,,.«- . " Ans.** 83.998 feet. 4. Wanting to know the horizontal distance between two inaccessible objects E and W, the... | |
| Charles Davies - Surveying - 1839 - 380 pages
...yards = 55° 40'; 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...tower was 33° 45' ; required the height of the tower.** ^ 83 998 feet 4. Wanting to know the horizontal distance between two inaccessible objects E and W,... | |
| Charles Davies - Navigation - 1841 - 359 pages
...yards = 5!ia 40'; 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...33° 45' ; required the height of the tower. Ans.** 83.993 feet. 4. Wanting to know the horizontal distance between two inaccessible objects E and W, the... | |
| Charles Davies - Navigation - 1835 - 359 pages
...the distance AB. Ans. 592.967 yards. 3. Being on a horizontal plane, and wanting to ascertain tlIe **height of a tower, standing on the top of an inaccessible...tower was 33° 45'; required the height of the tower.** 83.g9g 4. Wanting to know the horizontal distance between two inaccessible objects E and W, the following... | |
| Geometry - 1843 - 404 pages
...required the distance AB. Ans. 592.967 feet. 6. 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 hill 40°, and of the top of** die tower 51° : then measuring in a direct line 180 feet farther from the hill, the angle of elevation... | |
| Nathan Scholfield - 1845 - 896 pages
...triangle whose sides are 5, 6, and 7. Ex. 17. Being on a horizontal plane, and wanting to ascertain the **height of a tower, standing on the top of an inaccessible...angle of elevation of the top of the hill 40°, and** the top of the tower 51°: then measuring in a direct line 180 feet farther from the hill, the angle... | |
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