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33 votes
33 votes
In circle Q with m PSR = 18, find m PQR.

In circle Q with m PSR = 18, find m PQR.-example-1
User Shinesecret
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1 Answer

21 votes
21 votes

From the figure:


\begin{gathered} m\angle PSR=(PR)/(2) \\ so\colon \\ 18=(PR)/(2) \\ PR=2\cdot18 \\ PR=36 \end{gathered}

therefore:


\begin{gathered} m\angle PQR=PR \\ m\angle PQR=36 \end{gathered}

User Ellee
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