Lillian spots an airplane on radar that is currently approaching in a straight line, and
that will fly directly overhead. The plane maintains a constant altitude of 6975 feet.
Lillian initially measures an angle of elevation of 18° to the plane at point A. At some
later time, she measures an angle of elevation of 33° to the plane at point B. Find the
distance the plane traveled from point A to point B. Round your answer to the
nearest tenth of a foot if necessary.
Answer:
feet
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attempt 1 out of 2