The angle of elevation of the top of a hill at the foot of a tower is 60º
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The angle of elevation of the top of a hill at the foot of a tower is 60º and the angle of depression from the top of tower to the foot of hill is 30º. If tower is 50 metre high, find the height of the hill.
Step-by-step explanation:
ln ∆ABC,
h/x = tan 60°
⇒ h = x√3
ln ∆BCD,
50/x = tan 30°
⇒ x = 50√3
∴ h = 150
∴ height of hill = 150 m
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the height of the hill is 150m.
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