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In $$\triangle$$ABC, AB = AC, and $$\angle$$BAC is 50$$^\circ$$. Then $$\angle$$ABC and $$\angle$$BCA are, respectively:
In $$\triangle$$ABC, AB = AC
Angles opposite to equal sides in triangle are equal.
$$\Rightarrow$$ $$\angle$$BCA = $$\angle$$ABC
Let $$\angle$$ABC = $$\angle$$BCA = x
In $$\triangle$$ABC,
$$\angle$$ABC + $$\angle$$BCA + $$\angle$$BAC = 180$$^\circ$$
$$\Rightarrow$$ x + x + 50$$^\circ$$ = 180$$^\circ$$
$$\Rightarrow$$ 2x = 130$$^\circ$$
$$\Rightarrow$$ x = 65$$^\circ$$
$$\therefore\ $$ $$\angle$$ABC = $$\angle$$BCA = 65$$^\circ$$
Hence, the correct answer is Option B
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