Answer:
∠ BAC = 56.5°
Step-by-step explanation:
OA = OB , both radii of the circle , then
Δ ABO is isosceles with base angles congruent , that is
∠ OBA = ∠ BAC , then
∠ BAC = (180 - 67 )° ÷ 2 = 113° ÷ 2 = 56.5°
