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Mathematics 14 Online
OpenStudy (rz172):

will fan and medal. help?

OpenStudy (rz172):

OpenStudy (rz172):

@AloneS @1davey29 @Kevin

OpenStudy (rz172):

how to do it?

OpenStudy (1davey29):

Circumference formula is 2*pi*radius. With a radius of 13, its 2*pi*13=26*pi, so 26 would be your answer.

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