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What is the approximate circumference of a circle with a radius of km? Use A. km B. km C. km D. km
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What is the approximate circumference of a circle with a radius of km? Use A. km B. km C. km D. km

User Tcables
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The area of a circle is pi * radius^2, so it would be km^2 pi.

πkm²
User JP Illanes
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