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Mathematics, 19.02.2020 18:43 avamcneil412

What is the measure of angle OAC if major arc AB measures 220 degrees?

55°

70°

110°

140°

I already know the answer is 55 but I need to know why and how to get 55?

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What is the measure of angle OAC if major arc AB measures 220 degrees?

55°

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