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Heights and Distances Practice Test 2

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Question : 14

Total: 24

The angle of elevation of the top of a TV tower from the three points A, B, C in a straight line (in the horizontal plane) through the foot of the tower are α, 2α, 3α respectively. If AB = a, the height of the tower is:

a tan α
a sin α
a sin 2α
a sin 3α

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