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A vertical post 15 ft high is broken at ...

A vertical post 15 ft high is broken at certain height and its upper part, not completely seperated, meet the ground at an angle of `30^@`. Find the height at which the post is broken.

A

10 ft

B

5 ft

C

`15sqrt(3)(2-sqrt(3))` ft

D

`5sqrt(3)` ft

Text Solution

Verified by Experts

The correct Answer is:
B
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