Davies, Charles, 1798-1876 · New York, Cincinnati [etc.] American book company · leaf 188
tom of atower 120 feet in height, the angles of depression are measuredfrom the top of the tower, and are found to be, of the nearer57°, and of the more remote 25° 30 ; required the distancebetween the objects. Ans. 173.656 feet. 2. In order to find the distance betweentwo trees, A and B, which… … CB = 672 yards, CA = 588 yards. ACB = 55° 40; required the distance AB. Ans. 592.967 yards. 3. Being on a horizontal plane, and wanting to ascertain theheight of a tower standing on the top of an inaccessible hill,there were measured, the angle of elevation of the top of thehill 40°, and of the top…
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