math-geometry

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a person in a boat sights the top of a lighthouse at an angle of elevation of 20 degrees. if the lighthouse is 40 feet tall find the distance from the base of the lighthouse to the boat.

  • math-geometry -

    length oflighthouse=4om
    angle of depression=20
    TAN 20=0.363
    put the value and get the answer
    answer is approx 108.xx

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