It is given that $\triangle ABC \cong \triangle FDE$. If $AB = 5 \, cm$,$\angle B = 40^{\circ}$,and $\angle A = 80^{\circ}$,then which of the following is true?

  • A
    $DF = 5 \, cm, \angle F = 60^{\circ}$
  • B
    $DE = 5 \, cm, \angle E = 60^{\circ}$
  • C
    $DE = 5 \, cm, \angle D = 40^{\circ}$
  • D
    $DF = 5 \, cm, \angle E = 60^{\circ}$

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