Question

which angles are congruent? a and c a and b c and b none

Explanation:

Step1: Recall the property of isosceles triangle

In an isosceles triangle, angles opposite to equal sides are congruent.

Step2: Identify equal sides and their opposite angles

In the given triangle, sides \(AB\) and \(AC\) are equal (marked with the same tick). The angles opposite to these sides are \(\angle C\) (opposite \(AB\)) and \(\angle B\) (opposite \(AC\)).

Answer:

C. C and B