Answer and Step-by-step explanation:
If 10 is the given radius, then we can plug it into the circumference formula.
C = 2πr
C = 2π(10)
C = 20π
Now use a calculator to evaluate 20π.
You should get: 62.83185307179586476925286766559
Now, round to the nearest tenth (aka, the first decimal place after the decimal.
C ≈ 62.8
That is your answer.
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