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Which expressions can be used to find the value of x in the triangle shown? Write the value of x to the nearest tenthx = ____.

Which expressions can be used to find the value of x in the triangle shown? Write-example-1
User Jim Biard
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1 Answer

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To find x we need to use the tangent function, remember that this is defined as:


\tan \theta=\frac{\text{opp}}{\text{adj}}

For the angle of 60° then we have:


\begin{gathered} \tan 60=(20)/(x) \\ x=(20)/(\tan 60) \end{gathered}

Therefore the expression we can use is option C.

User Chuacw
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