A tree, 15m high, is broken by the wind in such a way that its top touches the ground and makes an angle 30o with the ground. At what height from the bottom is the tree broken by the wind?
A
5m
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B
6m
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C
7m
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D
8m
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Solution
The correct option is A5m
Let AB be the height of tree =15m.
The tree is broken at point C. The broken part of tree which touches the ground be CO.