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Question

In triangle A B C if AD is bisector of stack B A C with _ below and DE bisects open floor B D A comma open floor B equals 40 to the power of ring operator end exponent comma open floor C equals 80 to the power of ring operator end exponent close close close find left floor B E D.

  1. 85°    
  2. 95°    
  3. 75°    
  4. 105°    

The correct answer is: 95°

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