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The given conditions are: ∠ PQR = 90°, ∠ SRQ = 90° PQ = SR Points P and S are on the same side of line segment QR Triangles ∆PQR and ∆SRQ are right triangles with a common side QR.
Since: PQ = SR (given) ∠ PQR = ∠ SRQ = 90° QR = QR (common side) By SAS (Side-Angle-Side) congruence criterion,
∆PQR ≅ ∆SRQ.
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