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Given the figure, if ∠ABC is 20° and C is the center of the circle, what is the measure of the central angle ∠ACB?
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Given the figure, if ∠ABC is 20° and C is the center of the circle, what is the measure of the central angle ∠ACB?

User Madarco
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1 Answer

3 votes

Answer:

180° − 2(20°) = 140°

Explanation:

User Shaun Mitchell
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