EXERCISE 12B1. (i) In Figure (1), O is the centre of the circle. If20A – InterviewSolution

1.	EXERCISE 12B1. (i) In Figure (1), O is the centre of the circle. If20AB 40° and <OCB 30°, find <AOC.(ii) In Figure (2), A, B and Carethree points on the circle withCentre O such that <AOB 90。and ZAOC 110. Find BAC. 90o
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