Answer:
∠ A = 88²
Step-by-step explanation:
Since AB and AC are congruent then the triangle is isosceles with base angles congruent , both 46°
The sum of the 3 angles in the triangle = 180° , that is
∠ A + 46° + 46° = 180°
∠ A + 92° = 180° ( subtract 92° from both sides )
∠ A = 88°
