Q. 9. In the given figure, XY and XY'are twoparallel tangents to a cir – InterviewSolution

1.	Q. 9. In the given figure, XY and XY'are twoparallel tangents to a circle with cnre O and anothertangent AB with point of contact C intersecting XY atA and X/Y, at B. Prove that LAOB = 90'.2eB Y'
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