8．As shown in the diagram.the triangle PQR has PR=14cm and PQ=10cm． The side RQ produced meets th——青夏教育精英家教网—

摘要：8．As shown in the diagram.the triangle PQR has PR=14cm and PQ=10cm． The side RQ produced meets the perpendicular PS at S, so that QS=5cm． The perimeter of triangle PQR is cm．

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As shown in the diagram(如图)，the triangle PQR has PR=14cm and PQ=10cm. The side RQ produced meets the perpendicular PS at S, so that QS=5cm. The perimeter(周长) of triangle PQR is _____cm．

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As shown in the diagram（如图），the triangle PQR has PR=14cm and PQ=10cm．The side RQ produced meets the perpendicular PS at S，so that QS=5cm．The perimeter（周长） of triangle PQR is

cm．
如图，在△PQR中，PR=14cm，PQ=10cm．过点P作PS⊥RQ交RQ的延长线于点S，QS=5cm，则△PQR的周长为

cm．

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