 | 1801 - 658 Seiten
...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... | |
 | Charles Hutton - 1816 - 610 Seiten
...horizontal 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...feet farther, I found the angle to the top of the towers to be 23« 4* '. What then is the height of the tower ? I Ans. 93.33148 feet. EXAM. xv. From... | |
 | Olinthus Gregory - 1816 - 276 Seiten
...plane, and 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...of the top 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... | |
 | Charles Hutton - 1818 - 646 Seiten
...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...line directly from it to the distance of 200 feet farthec, l found the angle to the top of the tower to be 23° 45'. What then is the height of the tower... | |
 | Charles Hutton - 1822 - 616 Seiten
...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 Seiten
...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...directly from it to the distance of 200 feet farther, 1 found the angle to the top of the towers to be 23° 45'. What then is the height of the tower ? Ans.... | |
 | Charles Davies - 1830 - 390 Seiten
...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 line 180 feet farther from the hill, the angle of elevation of the top of the tower was 33'... | |
 | Charles Hutton - 1831 - 632 Seiten
...elevation of the top of the hill 40", and of the top of ib.3 tower 51° ; the measuring in a line direcily from it to the distance of 200 feet farther, I found...angle to the top of the tower to be 33° 45'. What is the height of the tower ? Ans. 93-33148 feet. EXAM. xv. From a window near the bottom of a house,... | |
 | Charles Hutton - 1831 - 660 Seiten
...horizontal 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 ih.; tower 51° ; the measuring in a line directly from it to the distance of 200 feet farther, I found... | |
 | William Galbraith - 1834 - 454 Seiten
...on a 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...of the top 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... | |
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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... 
