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In DeltaABC, angleC is obtuse. The exter...

In `DeltaABC, angleC` is obtuse. The exteral bisector of `angleA and angleB` meet the extended line BC and AC at point D and E. If AB = AD = BE then find `angleACD`?

A

a)`105^(@)`

B

b)`108^(@)`

C

c)`110^(@)`

D

d)`135^(@)`

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