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An electrician has to repair an …

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An electrician has to repair an electric fault on a pole of height 5 M series to reach a point 1.3 M below the top of the pole to undertake the repair work what should be the length of the letter that she should use which when in client at an angle of 60 degree to the horizontal would enable her to reach the required position also how far from the foot of the pole should she plays the foot of the ladder you may take root 3 equal to 1.73
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