Question

it is given that ∆ABC is congruent ∆RPQ. Is it true to say that BC=QR? Why?

Answer 1

hi friend
here is your answer

no the BC not equal to QR
because the BC is not correspondence side of the QR of the congruent Triangle RPQ.
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Answer 2

when it is said that ∆ABC is congruent to ∆RPQ
AB=RP
BC=PQ
CA=QR                                   (arrangement done in order to the triangle sides                                                     i.e  first two letters/sides of ∆ABC = first two                                                          sides/letter of ∆RPQ)                                     

hence proved, (BC=PQ rather BC=QR) BC≠QR