3 years ago

2(10.8 k+ 2.9) What's the answer

Mathematics

1 answer:

motikmotik3 years ago

3 0

21.6k + 11.8

I believe is the answer good luck!

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A guy wire is attached to the top of a radio antenna and to a point on horizontal ground that 40 m from the base of the antenna.

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The length of the wire is 76.19 m.

Step-by-step explanation:

It is given that a guy wire is attached to the top of a radio antenna and to a point on horizontal ground that 40 m from the base of the antenna.

It means base of the right angled triangle is 40 m.

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Using this conversion convert the given angle in degree.

$58^{\circ}20'=58^{\circ}\frac{20}{60}^{\circ}=58\frac{1}{3}^{\circ}=\frac{175}{3}^{\circ}$

In a right angled triangle

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$\cos (\frac{175}{3}^{\circ})=\frac{40}{hypotenuse}$

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Therefore the length of the wire is 76.19 m.

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