If the radius of the cirumcircle of isosceles triangle ABC is equal to

1.	If the radius of the cirumcircle of isosceles triangle ABC is equal to AB=AC, then the angle A is:
A.	\[30{}^\circ \]
B.	\[60{}^\circ \]
C.	\[90{}^\circ \]
D.	\[120{}^\circ \]
Answer» E.

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If the radius of the cirumcircle of isosceles triangle ABC is equal to AB=AC, then the angle A is:

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