19. From the top of a 7-metre-high building, the angle of elevation of the
top of a cable tower is 60° and the angle of depression of its foot is 45°.
Determine the height of the tower. [Use V3 = 1.732.] [CBSE 2017]
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answer is 7(√3 +1)m
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it is a common question hope this will help you.
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