ABC is a triangle. The bisectors of the internal angle ∠B and extern – McqOptions

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1.	ABC is a triangle. The bisectors of the internal angle ∠B and external angle ∠C intersect at D. If ∠BDC = 50°, then ∠A is
A.	00°
B.	0°
C.	20°
D.	0°
Answer» B. 0°

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