Problems Involving triangle law

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• October 18th 2010, 07:55 AM
mastermin346
Problems Involving triangle law
Diagram shows the triangle $PQR$. $M$ is the midpoint of $QR$. $MS$ is perpendicular to $PSR$

Find the length,in cm,of $QR$
• October 18th 2010, 09:28 AM
Wilmer
Draw perpendicular QT, T on PR: that's PQR's height.
Angle PQT = 32 degrees; so you can now calculate QT and PT.
Is that enough for you to wrap this up?