Answer :

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°

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