From a window A, 10 m above ground the angle of elevation of the top C to a tower is x , where tan x = 5/2 and the angle of depression of the foot D of the tower is y , where tan y = 1/4 . Calculate

From a window A, 10 m above ground the angle of elevation of the top C

1.	From a window A, 10 m above ground the angle of elevation of the top C to a tower is x , where tan x = 5/2 and the angle of depression of the foot D of the tower is y , where tan y = 1/4 . Calculate
A.	30 m
B.	70 m
C.	110 m
D.	130 m
Answer» D. 130 m

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From a window A, 10 m above ground the angle of elevation of the top C to a tower is x , where tan x = 5/2 and the angle of depression of the foot D of the tower is y , where tan y = 1/4 . Calculate

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