A boat traveled 54 km with the stream and 42 km against the stream spending a total of as much time as it would spend while trav
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Use ratio of tan to find the angle of depression
tan of an angle = side in front of the angle / side adjacent to the angle
Plug in the numbers
tan α = 35/66
α = arctan (35/66)
α = 27.937...
to the nearest hundredth
α = 27.94°
tan of an angle = side in front of the angle / side adjacent to the angle
Plug in the numbers
tan α = 35/66
α = arctan (35/66)
α = 27.937...
to the nearest hundredth
α = 27.94°