 From a window near the bottom of a house, which seemed to be on a level with the bottom of a steeple, I took the angle of elevation of the top of the steeple, equal to 40° ; then from another window, 18 feet directly above the former, the like angle...  The Elements of Plane Trigonometry - Page 95by James Hann - 1854 - 119 pagesFull view - About this book
 | Robert Gibson - Surveying - 1833 - 436 pages
...measured 35°. What then was the ship's distance from the bottom of the wall ? Ans. 204.22 feet. Ex. 3. From a window near the bottom of a house which seemed...of elevation of the top of the steeple, equal 40° ; then from another window, 18 feet directly above the former, the like angle was 37° 30'. What then... | |
 | William Galbraith - Astronomy - 1834 - 454 pages
...4373.75, and 308.4 feet respectively. EXAMPLE XVII. From a window in the lower part of a house, nearly on a level with the bottom of a steeple, I took the angle of elevation of the top of the steeple 40° ; and from another window 18 feet directly above * In calculations where the same number is used... | |
 | John D. Williams - Algebra - 1840 - 634 pages
...required what part of the axis of the sphere is immersed in the water. Ans. .546 parts of an inch. 48. From a window near the bottom of a house, which seemed...of elevation of the top of the steeple equal 40° ; then from another window, 18 feet directly above the former, the like angle was 37° 30' ; required... | |
 | Richard Abbatt - Spherical astronomy - 1841 - 234 pages
...E. Required the distance of the last place of observation from the headland. Answer, 26 miles. 10. From a window near the bottom of a house which seemed...took the angle of elevation of the top of the steeple and found it to be 40° ; then, from another window 18 feet directly above the former, the angle was... | |
 | John Gregory - 1842 - 328 pages
...and distance of a steeple on the opposite bank of a river, I took the angle of elevation of its top, from a window near the bottom of a house, which seemed to be on a level with the bottom of the steeple, and found it to be 40° ; and from another window 18 feet directly above the former, the... | |
 | Henry W. Jeans - Trigonometry - 1842 - 138 pages
...due south of the former, it was NbE : required its height. Ans. 511.3 (23) (fig. 31). From a window which seemed to be on a level with the bottom of a steeple, I observed the angle ACS of elevation of the top of the steeple = 40° : from another window of the same... | |
 | Elias Loomis - Trigonometry - 1859 - 218 pages
...from each observer. Ans. Perpendicular height 3.003 miles, distances 5.006 and 5.837 miles. Prob. 13. From a window near the bottom of a house which seemed to be on a level with the bottom of a steeple, I found the angle of elevation of the top of the steeple to be 40° ; then from another window, 21 feet... | |
 | Elias Loomis - Logarithms - 1859 - 372 pages
...from each observer. Ans. Perpendicular height 3.003 miles, distances 5.006 and 5.837 miles. Prob. 13. From a window near the bottom of a house which seemed to be on a level with the bottom of a steeple, I found the angle of elevation of the top of the steeple to be 40° ; then from another window, 21 feet... | |
 | Benjamin Greenleaf - Geometry - 1862 - 518 pages
...included angle is 30° ; find the hypothenuse of an equal right-angled isosceles triangle. Ans. 6. 13. From a window near the bottom of a house, which seemed...angle of elevation of the top of the steeple, equal to 40° ; then from another window, 18 feet directly above the former, the like angle was 37° 30'.... | |
 | Benjamin Greenleaf - Geometry - 1862 - 532 pages
...included angle is 30° ; find the hypothenuse of an equal right-angled isosceles triangle. Ans. 6. 13. From a window near the bottom of a house, which seemed to be on a level wilh the bottom of a steeple, I took the angle of elevation of the top of the steeple, equal to 40°;... | |
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