Question):- What is the measure of angle BAC? Share with your friends Share 1 Shruti Tyagi answered this Dear Student, OBAC is a quadrilateralwhere ∠C=∠B=90as OC⊥AC and OB⊥OB (radius is perpendicular to tangent at point of contact)now in a quadrilateral the sum of all angles is 360∠O+∠B+∠C+∠A=360⇒96+90+90+∠A=360⇒∠A=360-180-96⇒∠A=180-96⇒∠A=84 Regards, 1 View Full Answer Abhishek Mishra answered this I think 84degrees 0