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Trigonometry
Question

A boat is heading towards a lighthouse, whose beac...

A boat is heading towards a lighthouse, whose beacon-light is \( 142 \) feet above the water. From point \( A \) , the boat's crew measures the angle of elevation to the beacon, \( 9 ^ { \circ } \) , before they draw closer. They measure the angle of elevation a second time from point \( B \) at some later time to be \( 25 ^ { \circ } \) . Find the distance from point \( A \) to point \( B \) . Round your answer to the nearest tenth of a foot if necessary. 

Answer

592.03 ft

Solution
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