Fig. 12.479. In fig 12.48, angle LACB=40° then find thevalue ofOAB.Fi – InterviewSolution

1.	Fig. 12.479. In fig 12.48, angle LACB=40° then find thevalue ofOAB.Fig. 12.48
Answer» OA =OB (radii) ANGLE OBA= 40 In triangle OAB Angle AOB = 180 - 80 = 100 We know 2 Angle ACB = Angle AOB ACB = 100÷2 =50 Degree

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