 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...  Elements of Plane and Spherical Trigonometry - Pàgina 69per Olinthus Gregory - 1816 - 244 pàginesVisualització completa - Sobre aquest llibre
 | Charles Davies - 1839 - 376 pàgines
...it was found that required the distance AB. &T2 yards 588 yards = 55° 40'; 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... | |
 | John D. Williams - 1840 - 634 pàgines
...-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 - 1841 - 414 pàgines
...also the included required the distance AB. = 672 yards = 588 yards = 5!ia 40'; 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 - 1835 - 388 pàgines
...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 - 138 pàgines
...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 - 506 pàgines
...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°:... | |
 | Nathan Scholfield - 1845 - 542 pàgines
...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°:... | |
 | Nathan Scholfield - 1845 - 894 pàgines
...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°:... | |
 | Charles Davies - 1849 - 372 pàgines
...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... | |
 | Charles Davies - 1886 - 340 pàgines
...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... | |
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