 | Isaac Dalby - 1807 - 968 sider
...adileil tlit htight of the initrumi-ut for th« whole height ot O ibu\e tit* ground at A. 0. At B, the top of a castle which stood on a hill near the tea shore, the depression of a ship at anchor was 4> 52' rtha angle HBS), and at R, the bottom Af the... | |
 | Peter Nicholson - 1825 - 1046 sider
...the eye at the instant of its production ; required the distance of the ships? Ansner, 5147.9 feet 7. At the top of a castle which stood on a hill near the sea shore, the angle of depression of a ship at anchor was 4° 52', and at the bottom of the castle... | |
 | John Radford Young - 1833 - 308 sider
...: AB 38 . . 1-5797836 :: sin. В 85° О' 20" . 9-9983179 : АС 91-657 . . 1-9621645. PROBLEM III. At the top of a castle, which stood on a hill near the -sea-shore, the angle of depression IITS, of a ship at anchor, was observed to be 4° 52' ; at the bottom of the castle the angle of depression... | |
 | William Galbraith - 1834 - 454 sider
...1° 12' log DC 1810 EK 81.463 8.777333 8.196102 10.000874 11.678973 3.257679 1.910961 EXAMPLE XVI. At the top of a castle which stood on a hill near the seashore the angle of depression of a ship's hull at anchor was 4° 52' ; at the bottom of the castle the angle of depression was 4° 2'.... | |
 | Euclides - 1838 - 264 sider
...determining the length of that scale, we have the proportion -8433752 : 100 :: 1 : 11 8-57 = CD. 2. At the top of a castle which stood on a hill near the sea-shore, the angle of depression HTS, of a ship at anchor, was observed to be 4° 52-; at the bottom of the castle the angle of depression... | |
 | Henry W. Jeans - 1842 - 138 sider
...required the height and distance of the steeple. Ans. height 210-4 dist. 250-8. (24) (fig. 32). At B the top of a castle which stood on a hill near the sea-shore, the angle of depression , 78 HBS of a ship at anchor was 4° 52', and at B, the bottom of the castle, its depression NRS was... | |
 | John Radford Young - 1855 - 218 sider
...216 and 270 feet ; required the angle at the base. (10) At the top of a castle standing on a hill by the sea-shore, the angle of depression of a ship at...was 4° 2' ; required the horizontal distance of the ship, as also the height of the hill ou which the castle stands, the height of the castle itself being... | |
 | Benjamin Greenleaf - 1861 - 638 sider
...station, and its height. Ans. Distance, 24840 yards; height, 1447 yards. 10. From the top of a light-house the angle of depression of a ship at anchor was observed to be 4° 52', from the bottom of the light-house the angle was 4° 2'. Required the horizontal distance of the vessel,... | |
 | Benjamin Greenleaf - 1862 - 518 sider
...station, and its height. Ans. Distance, 24840 yards; height, 1447 yards. 10. From the top of a light-house the angle of depression of a ship at anchor was observed to be 4° 52', from the bottom of the light-house the angle was 4° 2'. Required the horizontal distance of the vessel,... | |
 | Benjamin Greenleaf - 1863 - 504 sider
...station, and its height. Ans. Distance, 24840 yards; height, 1447 yards. 10. From the top of a light-house the angle of depression of a ship at anchor was observed to be 4° 52', from the bottom of the light-house the angle was 4° 2'. Required the horizontal distance of the vessel,... | |
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Required the horizontal distance of the mountain-top from the nearer station, and its height. Ans. Distance, 24840 yards; height, 1447 yards. 10. From the top of a light-house the angle of depression of a ship at anchor was observed to be 4° 52', from... 
