Question

An electrician wants to repair an electric connection on a pole of height 9m. He needs
of the ladder which he should use, when he climbs it at an angle of 60° with the ground?
to reach 1.8 m below the top of the pole to do repair work. What should be the length
of the ladder when he should use ,when he climbs it an angle of 60° with the ground? what will be distance between foot of the ladder and foot of the pole ? ​

Answer 1

The length of the ladder  is 8.313 m and he distance between foot of the ladder and foot of the pole is 4.156

Step-by-step explanation:

Refer the attached figure

Length of pole = AC = 9 m

He needs to reach 1.8 m below the top of the pole i.e. AB = 1.8 m

BC = AC-AB = 9-1.8 = 7.2 m

Length of ladder is CD

              *Rest of the sum is in the given attachment*

Answer 2

Step-by-step explanation:

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