Two birds sit at the top of two different trees 57.4 feet away from one another. The distance between the second bird and a bird watcher on the ground is 49.6 feet. What is the angle measure, or angle of depression, between the first bird and the bird watcher?
A. 40.8˚
B. 49.2˚
C. 30.2˚
D. 59.8˚

Question

Two birds sit at the top of two different trees 57.4 feet away from one another. The distance between the second bird and a bird watcher on the ground is 49.6 feet.         What is the angle measure, or angle of depression, between the first bird and the bird watcher?
A.  40.8˚
B.  49.2˚
C.  30.2˚
D.  59.8˚

anonymous · Answer

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hoblos · Answer

tanx = 49.6/57.4

so x= arctan(49.6/57.4) = 40.8˚