A Support wire at an angle of 35 runs from the ground to the top of a 40.5ft telephone pole. What's the length of the support wire?

Question

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700

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Guest May 27, 2014

+118723

+5

Best Answer

Draw the triangle first.

$$\begin{array}{rll}
sin 35^0&=&\frac{40.5}{L}\\\\
L\times sin 35^0&=&40.5\\\\
L&=&\frac{40.5}{sin 35^0}\\\\
\end{array}$$

etc

Melody May 27, 2014

Melody · Answer 1 · 2014-05-27T05:01:23

Draw the triangle first.

$$\begin{array}{rll}
sin 35^0&=&\frac{40.5}{L}\\\\
L\times sin 35^0&=&40.5\\\\
L&=&\frac{40.5}{sin 35^0}\\\\
\end{array}$$

etc

Guest · Answer 2 · 2014-05-27T12:23:08

40.5 / sin(35)

70.6095952226601444 ft.