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The diameter of Karen's bicycle wheel is 18 inches. What is the circumference to the nearest inch? Use 3.14 for
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The diameter of Karen's bicycle wheel is 18 inches. What is the circumference to the nearest inch? Use 3.14 for

User Daniel Lang
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If the diameter is 18 inches, the radius is 9 inches. The formula for circumference is 2*pi*r, so it would be 2*3.14*9, so the circumference is 56.52 inches. But rounded to the nearest inch, it is 57 inches.
User Noach Magedman
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