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39 votes
I have to find the value of x but I need guidance

I have to find the value of x but I need guidance-example-1
User Benjol
by
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1 Answer

14 votes
14 votes

Using Sine of angles to solve for x


sin\theta=(Opposite)/(Hypotenuse)

Given:


\begin{gathered} \theta=45^0 \\ Opposite=x \\ Hypotenuse=9 \end{gathered}

Therefore,


\begin{gathered} sin45^0=(x)/(9) \\ x=9sin45^0=(9√(2))/(2) \end{gathered}

Hence,


x=(9√(2))/(2)\text{ \lparen Option 2\rparen}

User Vishist Varugeese
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