A kite is attached to a string of length 20√3m is tied to a pole on the level ground. If the string of the kite makes an angle of elevation of 60∘ with the ground, then the kite is flying at a height of 20m.
60
sin∠ACB=ABAC⇒sin60∘=ABAC⇒sin60∘.AC=AB=20√3×√32∴Height of the kite is 30m.