 | 1801 - 658 σελίδες
...horizontal plane, and wanting to know the height of an object on the top of an inaccessible hill j I took the angle of elevation of the top of the hill equal 40", and of the top of the object equal 51° ; then, going in a direct line from it to the distance... | |
 | John Bonnycastle - 1806 - 464 σελίδες
...Being at the station A, on an horizontal plane, and wanting to know the height of a tower c D, placed on the top of an inaccessible hill, I took the angle of elevation DAE, of the top of the hill, equal to 4O°, and of the top of the tower c AE equal to 51° ; then,... | |
 | Charles Hutton - 1807 - 464 σελίδες
...distance 192-15 EXAM. xiv. Being on a horizontal plane, and wanting to know the height of a tower placed on the top of an inaccessible hill ; I took the angle...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 to the top of the tower... | |
 | Samuel Webber - 1808 - 520 σελίδες
...inaccessible elevation. EXAMPLE. Being upon 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 equal 4O°, and of the top of the object equal 51° ; then, going in a direct line from it to the distance... | |
 | Charles Hutton - 1811 - 442 σελίδες
...distance 192-15 EXAM. xit. Being on a horizontal plan*, and wanting to know the height of a tower placed on the top of an inaccessible hill; I took the angle...of the top of the tower 51°; then measuring in a line directly from it to the distance of 200 feet farmer, I found the angle to the top of the tower... | |
 | Charles Hutton - 1811 - 494 σελίδες
...horizontal plane, and wanting to know the height of a tower placed on the top of an inaccessible hilj ; I took the angle of elevation of the top of the hill...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 to the top of the tower... | |
 | Olinthus Gregory - 1816 - 276 σελίδες
...EXAMPLE VII, Being on a horizontal plane, and wanting to ascertain, the height of a tower standing on the top of an inaccessible hill, I took the angle...of the tower 51°, then measuring in a direct line 180 feet farther from the hill, I took in the same vertical plane the angle of elevation of the top... | |
 | Charles Hutton - 1818 - 646 σελίδες
...tower placed on the top of an inaccessible hill ; 1 took the angle of elevation of the top of the bill 40°, and of the top of the tower 51° ; then measuring in a line directly from it to the distance of 200 feet farthec, l found the angle to the top of the tower... | |
 | Charles Hutton - 1822 - 616 σελίδες
...horizontal plane, and wanting to know the height of a tower placed on the top of an inaccessible hill . ( took the angle of elevation of the top of the hill 40°, and of the top of the tower 61°; then measuring in a line directly from it to the distance of 200 feet farther, I found the angle... | |
 | Charles Hutton - 1825 - 608 σελίδες
...the height of a tower placed on the top of an inaccessible bill ; I took the angle of elevation at 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, 1 found the angle to the top of the towers... | |
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... 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 line 180 feet farther from the hill, the angle of elevation of the top of the tower was 33° 45' ; required... 
