Question
a. The angles of elevation of a balloon from two pointsAandBon level ground are 2410' and 4740', respectively. As shown in the figure, pointsAandBarea=8.0.miles apart,
a. The angles of elevation of a balloon from two pointsAandBon level ground are 2410' and 4740', respectively. As shown in the figure, pointsAandBarea=8.0.miles apart, and the balloon is between the points, in the same vertical plane. Approximate the height of the balloon above the ground. (Round your answer to one decimal place.)
b.The angles of elevation of a balloon from two pointsAandBon level ground are 2410' and 4740', respectively. As shown in the figure, pointsAandBarea=8.0.miles apart, and the balloon is between the points, in the same vertical plane. Approximate the height of the balloon above the ground. (Round your answer to one decimal place.)
cA surveyor notes that the direction from pointAto pointBis S58W and the direction fromAto pointCis S31W. The distance fromAtoBis210yards, and the distance fromBtoCis374yards. Approximate the distance fromAtoC. (Round your answer to the nearest whole number.)
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Complex Variables and Applications
Authors: James Brown, Ruel Churchill
8th edition
73051942, 978-0073051949
