BY applying SAS congruence rule, i want to establish that triangle PQR congruent  to triangle FED. It is given that PQ = FE and RP =DF. What additional information is needed to establish the congruence ?

Angle QPR = Angle EFD should be given

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The additional information that should be given shoul be that angle p=angle f .That are the included angles of two sides of both triangles.
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