Question

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

Answer 1

Answer:

SOME SYMBOLE

% = angle ○ = theta

Step-by-step explanation:

We know that % ABC = 90

% BAC = 30

therfore %ACB = 60

now sin○ = opp/ hypo

therfore Sin 60 = 10/AC

√3/2 = 10/AC

therfore AC = 20/√3

therfore AC= 11.7 m

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Answer 2

Step-by-step explanation:

• So if we find the length of rope and multiply it by 3, we get the total rope length. Hence the measure of one rope is 20 / √3 m. So the measure of three ropes = 3 × 20/√3 = 34.64 m. Hence the total length of ropes is 34.64 m.