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Artemon [7]
3 years ago
9

A 15 ft. telephone pole has a wire that extends from the top of the pole to the ground. The wire and the ground form a 42 angle.

How long is the wire, and what is the distance from the base of the pole to the spot where the wire touches the ground?

Mathematics
2 answers:
erastovalidia [21]3 years ago
5 0

The correct answer is A wire=22.4ft distance 16.7ft


irakobra [83]3 years ago
4 0

Answer:

The correct option is 1.

Step-by-step explanation:

The height of the pole is 15 ft and the wire and the ground form a 42 angle.

Let the length of wire be x and the distance from the base of the pole to the spot where the wire touches the ground be y.

\sin\theta=\frac{Perpendicular}{Hypotenuse}

\sin(42^{\circ})=\frac{15}{x}

x=\frac{15}{\sin(42^{\circ})}

x=22.417148248

x\approx 22.4

Therefore the length of wire is 22.4 ft.

\tan\theta=\frac{Perpendicular}{Base}

\tan(42^{\circ})=\frac{15}{y}

y=\frac{15}{\tan(42^{\circ})}

y=16.6591877224

y=16.7

Therefore the distance from the base of the pole to the spot where the wire touches the ground is 16.7 ft.

Option 1 is correct.

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