| Mathematics - 1801 - 426 pages
...height of the centre of the instrument added. . 2. From the edge of a ditch 18 feet vide, surrounding **a. fort, I took the angle of elevation of the top...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... | |
| Charles Hutton - Mathematics - 1807
...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
...height of the centre of the instrument added. 2. From the edge of a ditch 18 feet 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... | |
| Charles Hutton - Mathematics - 1811
...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 Hutton - Mathematics - 1822
...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.... | |
| William Smyth - Plane trigonometry - 1834 - 72 pages
...is inclined to the ground ? Ans. 23° 3' 55". 4. From the edge of a ditch 18 feet wide, surrounding **a fort, I took the angle of elevation of the top of...the height of the wall, and the length of a ladder** necessary to reach from my station to the top of it. Ans. Height 34.82, length 39.2 feet. 5. A ladder... | |
| John D. Williams - Algebra - 1840 - 605 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... | |
| John Radford Young - Measurement - 1850 - 12 pages
...and which snrronnded a fort, the angle of elevation of the top of the wall was taken, and found to be **62° 40': required the height of the wall, and the length of a ladder** necessary to scale it. Ans. Height of wall, 34-82 feet; and length of ladder, 39-2 feet. 5. The angle... | |
| Alexander Ingram - 1851
...steeple. Ans. 147-985 feet. 3. The elevation of a wall, taken from the edge of the ditch 18 feet wide, was **62° 40-. Required the height of the wall, and the length of a ladder** to reach the top of it. Ans. Height 34-8246, ladder 39-20153 feet. 4. At 85 feet from the bottom of... | |
| William Smyth - 1852
...is inclined to the ground ? Ans. 23° 3' 55". 4. From the edge of a ditch 18 feet wide, surrounding **a fort, I took the angle of elevation of the top of the wall and found it 62°** 4 0' ; required the height of the wall, and the length of a ladder necessary to reach from my station... | |
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