 | Charles Hutton - 1788 - Liczba stron: 728
...bottom, 18*" 30': required the depth of the well. Anf. 17-8 9 feet. QUEST, ii. At 85 feet diftance from the bottom of a tower, the angle of its elevation...be 52° 30' : required the altitude of the tower. Anf. 1 1 ol- feet. QUEST. 12. At a certain place the angle of elevation of an inacceflible tower was... | |
 | Charles Hutton - 1807 - Liczba stron: 464
...the whole maypole, supposing the broken piece to measure 39 feet in length ? Ans. 75 feet. EXAM. x. At 170 feet distance from the bottom of a tower, the...52° 30' : required the altitude of the tower ? Ans. 221-55 feet. EXAM. xi. From the top of a tower, by the sea-side, of 1 43 feet high, it was observed... | |
 | Charles Hutton - 1811 - Liczba stron: 494
...the whole maypole, supposing the broken piece to measure 39 feet in length? Ans. 75 feet. EkAM. x. At 170 feet distance from the bottom of a tower, the angle of its elevation was found to be 52° SO' : required the altitude of the tower ? ' Ans. 221-55 feet. EXAM. xi. From the top of a tower, by... | |
 | Charles Hutton - 1812 - Liczba stron: 620
...measure 39 feet in length ? Ans. 75 feet. EXAM. x. At 170 feet distance from the bottom of a •.owcr, the angle of its elevation was found to be 52° 30' : required the altitude of the tower ? Ans. 221-55 feet. EXAM. xi. From the top of a tower, by the sea-side, of 1 43 feet high, it was observed... | |
 | John Gummere - 1814 - Liczba stron: 398
...feet, one of the parts ; and 100 — 55.77 *= 44.23 feet, the other part. PRACTICAL QUESTIONS. 1. At 85 feet distance from the bottom of a tower, the angle of its elevation was found to he 52° 30' : required the altitude of the tower. Ans. 110.8 feet. 2. To find the distance of an inaccessible... | |
 | John Gummere - 1817 - Liczba stron: 384
...feet, one of the parts ; and 100 — 55.77 = 44.23 feet, the other part. PRACTICAL QUESTIONS. 1. At 85 feet distance from the bottom of a tower, the angle...52° 30' : required the altitude of the tower. Ans. 110.8 feet. 2. To find the distance of an inaccessible object, I measured a line of 73 yards, and at... | |
 | Charles Hutton - 1818 - Liczba stron: 646
...whole maypole, supposing the broken piece to measure 39 feet in length ? Ans. 75 feet. EXAM. r. At 1J70 feet distance from the bottom of a tower, the angle of its elevation was found to be 52° 3' : required the altitude of the tower ? Ans. 221 -5ft feet. EXAM. xi. From the top of a tower, by... | |
 | Charles Hutton - 1822 - Liczba stron: 616
...the whole maypole, supposing the broken piece to measure 39 feet in length ? Ans. 75 feet. EXAM. x. At 170 feet distance from the bottom of a tower, the...52° 30' : required the altitude of the tower ? Ans. 2? 1-55 feeU EXAM, xi From the top of a tower, by the sea-side of 14S feet high, it was observed that... | |
 | Charles Hutton - 1825 - Liczba stron: 608
...the whole maypole, supposing the broken piece to measure 39 feet in length ? ADS. 75 feet. EXAK. x. At 170 feet distance from the bottom of a tower, the angle of its elevation was found to be 52° 3O' : required the altitude of the tower? Ans. 221-55 leet. EXAM. xi. From the top of a tower, by the... | |
 | Robert Gibson - 1832 - Liczba stron: 290
...above angle FAE may be had without a secant, as before. Thus: AE: R: : AF : S.AEF. 1.325 90° 1.15 60° 13'. Its complement 29° 47' will give FAE, as before....the angle of depression of a ship's bottom, then at anchor, measured 35°. What then was the ship's distance from the bottom of the wall ? Ans. 204.22... | |
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At 170 feet distance from the bottom of a tower, the angle of its elevation was found to be 52° 30' : required the altitude of the tower ? Ans. 
