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Please help me out..........

Please help me out..........-example-1

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Explanation:

in isos.Δ PQR


∠QPS = ∠QRS = 47° (ISOS. Δ PROP.)

∴, in Δ PQS and Δ SQR,

∠QPS = ∠QRS

PQ = RQ

∠PQS = ∠RQS

∴, Δ PQS ≅ Δ RQS (SAS CONGRUENCE)

∴, PS = SR = 17 (CPCT).

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