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A wire of length 18m had been tied with ...

A wire of length 18m had been tied with electric pole at an angle of elevation `30^(@)` with the ground. As it is covering a long distance, it was cut and tied at an angle of elevation `60^(@)` with the ground. How much length of the wire was cut?

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The correct Answer is:
`(1)/(13), (1)/(3),1, 0`
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