| John D. Williams - 1840 - 605 páginas
...-distance 192.15 630. Being on a horizontal plane, and wanting to know the height qf a tower placed **on the top of an inaccessible hill; I took the angle of elevation of the top of the hill 40°,** C the top of the tower 51° ; then measuring in a line directly from it to the distance of 200 ft AD... | |
| Charles Davies - 1835 - 359 páginas
...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 hill,** there were measured, the angle of elevation of the top of the hill 40°, and of the top of the tower... | |
| Henry W. Jeans - 1842
...the stations A and B. Ans. AB = 4694 yards. (16) (fig. 25). To determine the height of an object EB **on the top of an inaccessible hill, I took the angle of** deration ACE of the top of the hill = a°, and also ACB of the top of the object =/3. Going then a... | |
| Nathan Scholfield - 1845
...them and formulas p, Chap. Ill, find the angles of a triangle whose sides are 5, 6, and 7. Ex. 17. **Being on a horizontal plane, and wanting to ascertain...tower, standing on the top of an inaccessible hill,** there were measured, the angle of elevation of the top of the hill 40°, and the top of the tower 51°:... | |
| 1845
...them and formulas J3, Chap. Ill, find the angles of a triangle whose sides are 5, 6, and 7. Ex. 17. **Being on a horizontal plane, and wanting to ascertain...tower, standing on the top of an inaccessible hill,** there were measured, the angle of elevation of the top of the hill 40°, and the top of the tower 51°:... | |
| Nathan Scholfield - 1845 - 232 páginas
...them and formulae $, Chap. Ill, find the angles of a triangle whose sides are 5, 6, and 7. Ex. 17. **Being on a horizontal plane, and wanting to ascertain...tower, standing on the top of an inaccessible hill,** there were measured, the angle of elevation of the top of the hill 40°, and the top of the tower 51°:... | |
| Charles Davies - 1849 - 359 páginas
...required the distance AB. Ans. 592.967 feet. 6. Being on a horizontal plane, and wanting to ascertain >he **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... | |
| A. M. LEGENDRE - 1852
...that, CB = 672 yards, CA = 588 yards, A OB = 55° 40'; required the distance AB. Ans. 592.967 yards. 3. **Being on a horizontal plane, and wanting to ascertain...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... | |
| Charles Davies - 1886 - 324 páginas
...found that CB = 672 yards CA =688 yards ACB = 55° 401; required the distance ABAns 592-967 yards3 **Being on a horizontal plane, and wanting to ascertain...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... | |
| Charles Davies - 1854 - 322 páginas
...it was found that, OB = 672 yards, CA =588 yards, required the distance AB. Ans. 592.967 yards. 3. **Being on a horizontal plane, and wanting to ascertain...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... | |
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