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In a triangle ABC, the sides AB, AC are ...

In a triangle ABC, the sides AB, AC are produced and the bisectors of exterior angles of `angleABCandangleACB` intersect at D. If `angleBAC=50^(@)`, then `angleBDC` is equal to

A

A)`115^(@)`

B

B)`65^(@)`

C

C)`55^(@)`

D

D)`40^(@)`

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