Side QR of a has been produced to the point S

MATHEMATICS · Single correct · CBSE · Mathematics · Triangles · Triangles

Problem

Side QR of a △PQR\triangle PQR has been produced to the point S. If ∠PRS=115∘\angle PRS = 115^\circ and ∠P=45∘\angle P = 45^\circ, then ∠Q\angle Q is equal to, (a) 70∘70^\circ (b) 105∘105^\circ (c) 51∘51^\circ (d) 80∘80^\circ

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