SOLUTION: An h = 105-ft tower is located on the side of a mountain that is inclined 32° to the horizontal. A guy wire is to be attached to the top of the tower and anchored at a point 55 ft
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Question 759091: An h = 105-ft tower is located on the side of a mountain that is inclined 32° to the horizontal. A guy wire is to be attached to the top of the tower and anchored at a point 55 ft downhill from the base of the tower. Find the shortest length of wire needed. (Round your answer to the nearest foot.)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
An h = 105-ft tower is located on the side of a mountain that is inclined 32° to the horizontal. A guy wire is to be attached to the top of the tower and anchored at a point 55 ft downhill from the base of the tower. Find the shortest length of wire needed. (Round your answer to the nearest foot.)
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Draw the picture.
You have an obtuse triangle with A = 148 degrees, b = 105 ft, and c = 55 ft.
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Find "a":
Law of Cosines::::
a^2 = 105^2 + 55^2 - 2*55*105*cos(148)
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a^2 = 23844.96
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a = 154.82 ft
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Cheers,
Stan H.
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