| Charles Hutton - 1807
...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 to the top of the tower... | |
| Charles Hutton - 1811
...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 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 to the top of the tower... | |
| Olinthus Gregory - 1816 - 244 sider
...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...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 of the tower 33° 45'. Required... | |
| Olinthus Gregory - 1816 - 244 sider
...CBD, by means of the relation between sides and the sines of their opposite angles. , EXAMPLE VII, **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 Hutton - 1818
...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
...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
...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... | |
| William Galbraith - 1827 - 322 sider
...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 - 1830 - 300 sider
...CB=672, and also, the contained angle ACB=55° 40'. Required the distance AB. Ans. 593.8. Example 3. — **Being on a horizontal plane, and wanting to ascertain...the tower was 33' 45'. Required the height of the** tower. Ans. 83.9983 feet. Example 4. — Wanting to know the horizontal distance bet-ween two inaccessible... | |
| Charles Hutton - 1831
...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** ib.3 tower 51° ; the measuring in a line direcily from it to the distance of 200 feet farther, I found... | |
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