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From a point on level ground 30 m from the foot of a tower, the angle of elevation of its top is 30°. What is the height of the tower?
A30√3 m
B15 m
C10√3 m
D30 m
The value of sin 15° is:
A(√3 + 1)/(2√2)
B1/4
C(√3 − 1)/(2√2)
D(√3 − 1)/2
A kite is flying on a straight string 100 m long that makes an angle of 30° with the ground. How high is the kite?
A50√3 m
B50 m
C100√3 m
D25 m