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A tower is 280 feet high. From its top, the angle of depression to a rock on the ground is 40º. Find the approximate distance (in feet) from the base of

the tower to the rock.


Tan 40=0.83909963

280/x = 0.083909963

x= 333.691006
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The distance from the feet of tower to the base of rock is 333.69100
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