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Mathematics 21 Online
OpenStudy (anonymous):

PLEASE HELP!!! An airplane over the Pacific Ocean sights an atoll at an 7° angle of depression. If the plane is 663 m above the water, how many kilometers is it from a point 663 m directly above the atoll? A. 5399.7 km B. 5.4 km C. 81.41 km D. 760.8 km I got 5.4km but i just want to to make sure.

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