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OpenStudy (anonymous):
What is the circumference of a circle with a radius equaling 7 centimeters in length? Use 3.14 for π. 21.98 cm 10.99 cm 43.96 cm 31.4 cm
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sam (.sam.):
Do you remember the circumference formula?
sam (.sam.):
\(C=2\pi r\)
sam (.sam.):
r=radius so \[C=2 \times \pi \times 7=?\]
OpenStudy (anonymous):
= what
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