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alina1380 [7]
1 year ago
15

bell canada came by my house that I just bought and installed a new wire support for one of the telphone poles on my property. t

he electrical code says that the support must hit the ground at a 55 degree angle..If the telephone pole is 25 feet tall. how long is the wire spport that bell just installed?
Mathematics
2 answers:
Alika [10]1 year ago
7 0
The cable is going to have to be 40 ft long to be installed
omeli [17]1 year ago
4 0

Answer:

The cable length will have to be at least 30.51936ft

Step-by-step explanation:

c=  \frac{25}{ \sin( 55 ) }  = 30.51936

C = Cable

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In this question, we have to find the complement and supplement of the given angles .

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So to find the complement and supplement angles, we need to subtract the given angles from pi/2 and pi respectively .

a.

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\\
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Supplement  \ angle = \pi - \frac{ \pi}{10} = \frac{9 \pi}{10}

b.

\frac{9 \pi}{10}
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Complement \ angle = \frac{ \pi}{2} - \frac{9 \pi}{10} = \frac{-4 \pi}{10} = -\frac{2 \pi}{5}
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