Solved: Two fishing boats, A, and B, are anchored 4500 feet apart in open water. A plane
Chapter 0, Problem 33(choose chapter or problem)
Two fishing boats, A, and B, are anchored 4500 feet apart in open water. A plane flies at a constant speed in a straight path directly over the two boats, maintaining a constant altitude. At one point duing the flight, the angle of depression to A is 85, and the angle of depression to B is 25. Ten seconds later the plane has passed over A and spots B at a 35 angle of depression. How fast is the plane flying?
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