| Charles Hutton - Measurement - 1788 - 728 pages
...wide, furrounding a fort, I took the angle of elevation of the top of the wall, and found it 62° 40' : required the height of the wall, and the length of a ladder neceflary to reach from my ftation to the top of it. Firft,As i : i -934702 (tan.62°4o') : : 18 :... | |
| Mathematics - 1801 - 658 pages
...surrounding a. fort, I took the angle of elevation of the top of the. wall, and found it 62" 40' ; required the height of the wall, and the length of a ladder necessary to rcnch from my station to the top of it. As radius 90° : tangent of ,62° 40' :: BA 18 : BC 34-8246... | |
| Charles Hutton - Mathematics - 1807 - 464 pages
...surrounding a fort, having taken the angle of elevation of the top of the wall, it was found to be 62° 40' : required the height of the wall, and the length of a ladder to reach from my station to the top of it? AC height of wall 69'64, Ans> Bladder, 78 -4 feet. EXAM.... | |
| Samuel Webber - Mathematics - 1808 - 520 pages
...wide, surrounding a fort, I took the angle of elevation of the top of the wall, and found it 62° 4O' ; required the height of the wall, and the length of a ladder necessary to reach from my station t« the top 01 it. As radius 90° : tangent of 62° 40 : :BA 18 : BC 34*8246 feet lO'OOOOOOO 10'2866141... | |
| Charles Hutton - Mathematics - 1811 - 442 pages
...surrounding a fort, having taken the angle of elevation of the top of the wall, it was found to be 62° 40' : required the height of the wall, and the length of a ladder to reach from my station to the top of it? A / ne'8nt °f wa^ 69-64, /u's'i ladder, 78-4 feet. EXAM.... | |
| Charles Butler - Mathematics - 1814 - 528 pages
...feet long, in order to support a wall, is placed so that the angle at bottom is double the angle at top, how high up the wall does it reach, and how far distant from the wall is its foot? Ans. heigKt 9.5262S/ec<; distance 5± feet. 11. Required the altitude of the sun, when the length of a man's... | |
| Charles Butler - 1814 - 582 pages
...feet long, in order to support a wall, is placed so that the angle at bottom is double the angle at top, how high up the wall does it reach, and how far distant from the wall is its foot? Am. height 9.5Z(i23feet ; distance 5^- feet. 11. Required the altitude of the sun, when the length... | |
| Charles Hutton - Mathematics - 1822 - 616 pages
...surrounding a fort, having taken the angle of elevation of the top of the wall, it was found to be 62° 40' : required the height of the wall, and the length of a ladder to reach from my station to the top of it ? . i height of wall 69-64, ns- I ladder, 78 4 feet. EXAM.... | |
| Miles Bland - Astronomy - 1830 - 394 pages
...it is inclined, and the distance of its lowest part from the wall. 4. If a ladder of given length be placed against a wall, so that the angle at the bottom...reach, and how far distant from the wall is its foot ? 5. Determine the altitude of the sun when the length of a man's shadow is half his height: and also... | |
| John D. Williams - Algebra - 1840 - 634 pages
...surrounding a fort, having taken the angle of elevation of the top of the wall, it was found to be 62° 40' : required the height of the wall, and the length of a ladder to reach from my station to the top of it. Ans. height of wall 69.64, ladder 78.4 feet. 633. Required... | |
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