A helicopter flying 3,590 feet above ground spots the top of a 150-foot tall tower at an angle of depression of 77°. How far must the helicopter fly to be directly over the tower? Round to the nearest tenth.
The helicopter must fly _____ feet.
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Let distance = d
Tan 77 = (3590-150)/ d
4.33 = 3450/d
d = 3450/ 4.33 = 796.7 feet = 797 approx
Tan 77 = (3590-150)/ d
4.33 = 3450/d
d = 3450/ 4.33 = 796.7 feet = 797 approx
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