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5 votes
Please solve quickly ​

Please solve quickly ​-example-1

1 Answer

4 votes

Answer:

3

Explanation:


(20)/(360) =
(1)/(18)

C = 2 π r

C = 54 π

Length of AB = 54 π ×
(1)/(18) = 3 π

answered
User Abdotalaat
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