त्रिभुज $ABC$ और $DEF$ में,$AB = DE$,$AC = EF$ और $\angle A = 2\angle E$ है। दोनों त्रिभुजों का क्षेत्रफल समान होगा यदि कोण $A$ किसके बराबर हो?

  • A
    $\frac{\pi}{3}$
  • B
    $\frac{\pi}{2}$
  • C
    $\frac{2\pi}{3}$
  • D
    $\frac{5\pi}{6}$

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