Respuesta :

Answer:

Yes they are congruent

they are congruent by SSS rule that is Side Side Side rule

AD = CD (given side) in the question itself

AB = CB  (given side) in the question itself

Db = BD (common side)

thats why by SSS rule they are congruent

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in ∆ABD and CND

  • AD = DC. (given)
  • AB= BC (given)
  • DB= DB. (common side)

∴ ∆ABD ≅ ∆ CND (by S SS congruent condition)