 | Horatio Nelson Robinson - 1880 - 228 pàgines
...perpendicular breadth of the river ? Ans. 529.48 yards. 14. What is the perpendicular height of a hill, ita angle of elevation, taken at the bottom of it, being 46°, and 200 yards further ofl., on a level with the bottom, 81° ? Ans. 286.28 yards. 15. Wanting to know the height... | |
 | 1898 - 970 pàgines
...right-angled spherical triangle ABC, given AB 73° 4' 31", and AC 86° 12' 15" to find the other parts. 7. What is the perpendicular height of a hill, its angle of elevation, taken at the bottom 46°, and 200 yards farther off, on a level with the bottom. 31°? CHEMISTRY. 1. Distinguish between... | |
 | Great Britain. Parliament. House of Commons - 1861 - 588 pàgines
...done. 3. What is the perpendicular height of a hill, if its angle of elevation taken at the bottom is 46°, and 200 yards farther off on a level with the bottom the angle is 31° ? (By construction and calculation.) The same, with the following alterations : —... | |
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What is the perpendicular height of a hill ; its angle of elevation, taken at the bottom of it, being 46°, and 200 yards farther off, on a level with the bottom, the angle was 31°? 
