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" What is the perpendicular height of a hill ; its angle of elevation, taken at the bottom of it, being 46°, and 200 yards farther off, on a level with the bottom, the angle was 31°? "
Elements of Trigonometry: Plane and Spherical - Pągina 103
per Lefébure de Fourcy (M., Louis Etienne) - 1868 - 288 pągines
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A Treatise on Mensuration, Both in Theory and Practice

Charles Hutton - 1788 - 703 pągines
...perpendicular height of a hill whofe angle of elevation, taken at the bottom of it, was 46° ; and 100 yards farther off, on a level with the bottom of it, the angle was 31*; Ac 46° "1 ,- , B ZB 3I 2.031 9-7118393 DC IOO 2-OOOOOOO BC - - 2-2988431 iO° — lO'OOOOOOO...
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A Course of Mathematics: In Two Volumes. For the Use of Academies ..., Volum 2

Charles Hutton - 1807
...35° ; what then was the ship's distance from the bottom of the wall ? , Ans. 204-22 feet. EXAM. xii. What is the perpendicular height of a hill ; its angle...200 yards farther off, on a level with the bottom, the angle was 31°? Ans. 286-28 yards. EXAM. xiil. Wanting to know the height of an inaccessible tower;...
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A Course of Mathematics: In Three Volumes : Composed for the Use of the ...

Charles Hutton - 1811
...35°; what then was the ship's distance from, the bottom of the wall? Ans. 204-22 feet. EXAM, EXAM. xn. What is the perpendicular height of a hill , its angle...200 yards farther off, on a level with the bottom, the angle was 31"? Ans. 286-28 yards. EXAM. xin. Wanting to know the height of an inaccessible to*...
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A Course of Mathematics ...: Composed for the Use of the Royal Military ...

Charles Hutton - 1811
...180 0 bird / c 38 48 38* 43' AB 200 68» 2' BC 296-54 36" 43' AB 200 73° 15' AC 306-19 EXAM. XTI. What is the perpendicular height of a hill ; its angle...elevation, taken at the bottom of it, being 46°, and <20(1 yards farther off, on a level with the bottom, the angle was 31°? Ans. 286-28 yards. EXAM. xiii....
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A Course of Mathematics in Two Volumes for the Use of Academies, as ..., Volum 1

Charles Hutton - 1816
...35° ; what then was the ship's distance from the bottom of the wall ? An*. 204-22 feet. EXAM. xn. What is the perpendicular height of a hill ? its angle...elevation, taken at the bottom of it, being 46<», and 300 yards farther off, on a level with the bottom, the angle was 31° ? Ans. 286-28 yards. EXAM. xiu....
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A Course of Mathematics: For the Use of Academies, as Well as Private ...

Charles Hutton - 1822
...sin. ZB 200 73° 15' To op. side AC 306-19 EXAM. KII.. What is the perpendicular height of a hill, ita angle of elevation, taken at the bottom of it, being...200 yards farther off, on a level with the bottom, the angle was 31"? Ans. 286-i'S yards. EXAM. xiii. Wanting to know the height of an inaccessible tower...
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A Course of Mathematics for the Use of Academies: As Well as ..., Volum 1

Charles Hutton - 1825
...36° : what then was the ship's distance from the bottom of the wall T , Ans. 204-22 feet. EXAM. xu. What is the perpendicular height of a hill, its angle of elevation, taken at Ihe bottom of it, being 46% and 200 yards farther off, on a level with the bottom, the angle was 31°...
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A Course of Mathematics: For the Use of Academies, as Well as ..., Volum 1

Charles Hutton - 1831
...measured 35° ; what was the ship's distance from the bottom of the wall 1 Ans. 204-22 feet. EXAM. xn. What is the perpendicular height of a hill ; its angle...being 46°, and 200 yards farther off, on a level with (he bottom, the angle was 31 ° 1 Ans. 286-28 yards. EXAM. xiii. Wanting to know the height of an inaccessible...
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An Elementary Treatise on Algebra, in Theory and Practice: With Attempts to ...

John D. Williams - 1840 - 605 pągines
...was the ship's distance from the bottom of the wall ? Ans. 204.22 feet. 37. What is the perpendicnlar height of a hill, its angle of elevation, taken at the bottom of it, being 46°, and 200 yards further off, on a level with the bottom, the angle was 31° ? Ans. 286.28yds. 38. If, from a right-angled...
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The Elements of Plane and Spherical Trigonometry: And Its Application to ...

Richard Abbatt - 1841 - 191 pągines
...height of the tower ? Answer, 221 • 55 feet. 2. Required the perpendicular height of a hill, the angle of elevation taken at the bottom of it being 46°, and 200 yards further off, on a level with the bottom, the angle was 31°. Answer, 286 • 28 yards. 3. In any right...
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