Question

You want to erect a pole of height 10 m with the support of three ropes each rope has to make an angle 30 with the pole what should be the lenghth of the rope

Answer 1

let height of pole be h

and length of rope be l

tan30° = h/l

1/√3 = 10/l

1 x l = 10 x √3

l = 10√3 m

hence, the length of rope will be 10√3 m

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