Answer variants:
17
32
12
3
QR32
9.png
 
\(QR\) and \(SR\) are two tangents from the point \(R\). If \(\angle QRP\) \(=\) 45° and \(PR\) \(=\) 32 \(cm\), then find the length of \(QR\).
 
Answer:
 In the triangle \(PQR\), \(\cos\)\(R\) \(=\)
 
The length of \(QR\) \(=\)
 \(cm\)