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Answer:
r ≈ 3.82
Step-by-step explanation:
Using the formula:
C = [tex]2\pi r[/tex]
We rearrange to get r as the subject:
r = [tex]\frac{C}{2\pi }[/tex]
r = 24÷(2×[tex]\pi[/tex])
r ≈ 3.82