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OpenStudy (anonymous):
can anyone check my answer?
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OpenStudy (anonymous):
Two birds sit at the top of two different trees 17.8 feet away from one another. The distance between the first bird and a bird watcher on the ground is 37.4 feet. What is the angle measure, or angle of depression, between this bird and the bird watcher? 25.5° 64.5° 28.4° <--- my answer 61.6°
OpenStudy (anonymous):
OpenStudy (anonymous):
well we have 2 unknown angles here but we know that 1 of the angles is 90 degrees.
OpenStudy (anonymous):
cos x = (17.8/37.4) x = arc cos (17.8/37.4)
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