318,904 views
26 votes
26 votes
Please solve quickly ​

Please solve quickly ​-example-1
User Sestertius
by
2.4k points

1 Answer

16 votes
16 votes

Answer:

3

Explanation:


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

C = 2 π r

C = 54 π

Length of AB = 54 π ×
(1)/(18) = 3 π

User Gwendall
by
2.7k points
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