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An electrician has to repair an elect...

An electrician has to repair an electric fault on a pole of height 4m. He needs to reach a point 1.3m below the top of the pole to undertake the repair work. What should be the length of the ladder that he should use which when inclined at an angle of `60o` to the horizontal would enable him to reach the required position?

Text Solution

Verified by Experts

The correct Answer is:
`(9sqrt(3)m)/5`
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