(Last Updated On: January 28, 2020)

#### Problem Statement:

From the top of a light house, 53 m above the water, the angle of depression of a boat due south is 18°50′. Calculate the speed of the boat, if after it moves due west for 2 minutes the angle of depressions 14°20′.

#### Problem Answer:

The speed of the boat is **69.26 meters/min**.

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