chimney
4) An electrician has to repair an electric fault on a pole of height 5 m. She
point 1.3 m below the top of the pole to undertake the repair work. What should be the length
of the ladder that she should use which, when inclined at an angle of 60° to the horizontal
would enable her to reach the required position? Also, how far from the foot of the pole
out of the ladder? (use 3 = 1.73 ) [Ans: 4.28 m, 2.14 m ) (NCERT)
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He needs 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 ladder that he should use which when inclined at an angle of 60∘ to the horizontal would enable him to reach the required position? Let AC be the electricpole of height 4 m.
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Answer:
He needs 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 ladder that he should use which when inclined at an angle of 60∘ to the horizontal would enable him to reach the required position? Let AC be the electricpole of height 4 m.
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