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A park ranger is up in a 120 foot lookout tower. The ranger can see a small fire in a field that is 1500 feet away from the base of the tower. What is the ranger's angle of depression when looking down at the fire from the tower?

 Jun 15, 2021
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tan (angle ) = opposite / adjacent         opposite is 120 ft    adjacent = 1500 ft

 

   then arctan (angle ) =  120/1500 = _______________  degrees

 Jun 15, 2021

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