UPSKILL MATH PLUS

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11 Ресурс 1.svg
 
\(\angle P\) \(=\) 49\(^\circ\)
 
\(\angle R\) \(=\) 47\(^\circ\)
 
\(PR\) \(=\) \(10\sqrt5\) \(cm\)
 
\(XZ\) \(=\) \(40\sqrt5\) \(cm\)
 
\(RQ\) \(=\) 11 \(cm\)
 
\(ZY\) \(=\) 44 \(cm\)
 
\(PQ\) \(=\) 20 \(cm\)
 
\(XY\) \(=\) 80 \(cm\)
 
Then, \(\angle Y\) \(=\) \(^\circ\).