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PR = ? 20 Р Q 30° 5y - 36 T 810 у 55° S 4x - 12 R
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PR = ? 20 Р Q 30° 5y - 36 T 810 у 55° S 4x - 12 R

User Erik Hinton
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1 Answer

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Given

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Procedure


\begin{gathered} 5y-36=y \\ 5y-y=36 \\ 4y=36 \\ y=(36)/(4) \\ y=9 \end{gathered}

Now for PR


\begin{gathered} PR=2\cdot y=2\cdot9=18 \\ PR=18 \end{gathered}

User Bornytm
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