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The goldfish floats close to the wall of a circular pool with a radius of 10m. How many meters does it pass when it makes two circuits in the pool? (indicate the result to one decimal place)

Correct answer:

x =  125.7 m

Step-by-step explanation:

r=10 m n=2  o=2π r=2 3.1416 1062.8319 m  x=n o=2 62.8319=125.7 m

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