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Question 1
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Angle of elevation of the top of the tower from 3 points (collinear) A, B and C on a road leading to the foot of the tower are 30°, 45° and 60°, respectively. The ratio of AB and BC is
A.
$\sqrt(3):1$
B.
$\sqrt(3):2$
C.
$1:\sqrt(3)$
D.
$2:\sqrt(3)$
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