 | Nathan Scholfield - Conic sections - 1845 - 542 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... | |
 | Nathan Scholfield - Geometry - 1845 - 506 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... | |
 | Charles Davies - Navigation - 1846 - 386 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...measured, the angle of elevation of the top of the hill 40e, and of the top of the tower 51e; then measuring in a direct line 180 feet farther from the hill,... | |
 | Olinthus Gilbert Gregory - 1848 - 572 pages
...wanting to ascertain the height of a tower standing on the top of an inaccessible hill, I took the angle of elevation of the top of the hill 40°, and...top of the tower 51°, then measuring in a direct Jine 180 feet farther from the hill, I took in the same vertical plane the angle of elevation of the... | |
 | Janet Taylor - Nautical astronomy - 1851 - 674 pages
...of the tower, were 40° and 51°; and at the further extremity, the angle of elevation of the to-) of the tower was 33° 45'. Required the height of the tower ? NAVIGATION. ELEMENTARY PRINCIPLES AND DEFINITIONS. NAVIGATION is the art of finding the latitude... | |
 | Charles Davies - Geometry - 1886 - 340 pages
...required the distance ABAns 592-967 yards3 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 tower was 33° 451 ; required tie height of the toweIAns 83-998 feetApplicatIons4 Wanting to know the horizon- + tal... | |
 | Adrien Marie Legendre - Geometry - 1852 - 436 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...hill, the angle of elevation of the top of the tower was1 33° 45' ; required the height of the tower. Ans. 83.£ 4. Wanting to know the horizontal distance... | |
 | Charles Davies - Navigation - 1854 - 446 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...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... | |
 | Charles Davies - Geometry - 1854 - 436 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...hill, the angle of elevation of the top of the tower Cway 33° 45' ; required the height of the tower. Ans. 83.998. 4. Wanting to know the horizontal distance... | |
 | James Hann - Plane trigonometry - 1854 - 140 pages
...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... | |
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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... 
