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In triangle ABC and triangle DEF, AB = DE, BC = EF and CA = FD. By which rule are the triangles congruent?

Class 9SSS and RHS CongruenceGeometry — Triangles
  • ASSS
  • BRHS
  • CASA
  • DAAA

Step-by-Step Solution

All three pairs of corresponding sides are equal, so the triangles are congruent by SSS.
Answer: A) SSS

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