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Algebra 8 Online
OpenStudy (anonymous):

what is circumference

OpenStudy (anonymous):

http://bit.ly/VDFX9d

OpenStudy (campbell_st):

the formula for the circumference of a circle is \[C = \pi \times d\] or \[C = 2 \times \pi \times r\] where d = diameter and r = radius... they are the same formula as 2 x radius = diameter... hope it helps

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