 | Samuel Webber - Mathematics - 1808 - 520 pages
...level with the bottom of a steeple, I took the angle of elevation of the top of the steeple equal to 40°, and from another window 18 feet directly above the former, the same angle was 37° 3C/ ; what then is the height and distance of the steeple ? From ZC Sub. ZD Rem.... | |
 | Timothy Walker - Geometry - 1829 - 156 pages
...the height of an accessible object standing on a horizontal plane. At the distance of 200 feet from the bottom of a steeple, the angle of elevation of the top is found by the quadrant to be 47° 30'. Required the height of the steeple, that of the instrument... | |
 | Charles William Hackley - Trigonometry - 1851 - 536 pages
...the angle to the top of the tower being 33o 45' 1 Ans. 93.33148 feet. (23.) From a window on a level with the bottom of a steeple, the angle of elevation of the top of the steeple being 40o ; and from another window, 18 feet directly above the former, the angle was 37o 30' ; to... | |
 | Charles William Hackley - Trigonometry - 1851 - 524 pages
...window on a level with the bottom of a steeple, the angle of elevation of the top of the steeple being 40° ; and from another window, 18 feet directly above the former, the angle was 37° 30' ; to find the height and distance of the steeple t ( Height, 210-44. I Distance, 250-79.... | |
 | Lefébure de Fourcy (M., Louis Etienne) - Trigonometry - 1868 - 350 pages
...the height of the tower? Ans. 93.33148 feet. 10. From a window near the bottom of a house, on a level with the bottom of a steeple, the angle of elevation of the top of the steeple is found to be 40° ; then from another window 18 feet directly above the former, the like angle was 37°... | |
 | Henry Nathan Wheeler - Trigonometry - 1876 - 204 pages
...another station, C, the angle BCA is observed to be 135° : find the height of the mountain in yards. 18. From a window in the same horizontal plane with...the steeple is 40° ; and from another window, 18 foot directly above the former, the angle of elevation is 37° 30' : find the height and distance of... | |
 | Andrew Wheeler Phillips, Wendell Melville Strong - Trigonometry - 1898 - 362 pages
...137° 22• respectively. Find the height of the light-house. (35.) From a window directly opposite the bottom of a steeple the angle of elevation of the top of the steeple is 29° 21'. From another window, 20 ft. vertically below the first, the angle of elevation is 39° 3'.... | |
 | Herbert Coleman Whitaker - Trigonometry - 1898 - 216 pages
...yards, .8(7=840 yards, and the angle ACB= 55° 40' were measured. Find AB. 72. From a window on a level with the bottom of a steeple, the angle of elevation of the top is 40°. From another window 18 feet directly above the former the angle of elevation is 37° 30'.... | |
 | George Albert Wentworth - Trigonometry - 1902 - 256 pages
...bears east, and the second northeast. Find the distance between the rocks. 48. From a window on a level with the bottom of a steeple the angle of elevation of the steeple is 40°, and from a second window 18 feet higher the angle of elevation is 37° 30'. Find the... | |
 | George Albert Wentworth - Plane trigonometry - 1902 - 280 pages
...bears east, and the second northeast. Find the distance between the rocks. 48. From a window on a level with the bottom of a steeple the angle of elevation of the steeple is 40°, and from a second window 18 feet higher the angle of elevation is 37° 30'. Find the... | |
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From a window on a level with the bottom of a steeple the angle of elevation of the steeple is 40°, and from a second window 18 feet higher the angle of elevation is 37° 30'. 
