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anglr pqr is60 degree
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Explanation:
1.draw xy parallel to op through Q.
2.angle xQp +angle OpQ =180.(since sum of interior angles on the same side of transversal =180.)
3.therefore angleXQP=180-110.=70.
4.similarly angle YQR +angleQRS =180
5.angleYQR=180.-130.=50.
6.ANGLE YQR +ANGLE XQP +ANGLE PQR =180.(linear pair axiom)
7.therefore,anglePQR =180.-120.=60.
8.hence,anglePQR=60.
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