Respuesta :

Answer:

Given: Point C is the center of circle.

To Find: ∠ A CB

Solution: Measure of arc A DB=312°

     Angle made by complete circle=360°

⇒∠A DB  + ∠ AC B= 360°[Total measure of complete circle]

⇒ 312°  + ∠ AC B= 360°

⇒∠ AC B = 360° - 312°

⇒ ∠ AC B=48°




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