In triangle PQR,ST is a line intersecting PQ and PR in S and T respectively such that ST ||QR. If PS=x, SQ=2,PT=x+3,TR=x-3.What is the value of x?
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PQR is a triangle in which PQ = PR and S is any point on the side PQ. Through S, a line is drawn parallel to QR and intersecting PR at T. Prove that PS = PT.
In fig, PSSQ = PTTR and ∠PQR. Prove that PQR is an isosceles triangle.