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Mathematics 21 Online
OpenStudy (anonymous):

whats the circumference of 15

OpenStudy (anonymous):

?

OpenStudy (anonymous):

incomplete question

OpenStudy (anonymous):

Suppose the diameter of a circle is 15. What is its circumference?

OpenStudy (nbarrera):

Is it in inches or feet?

OpenStudy (nbarrera):

The circumference of 15 is 47.1

OpenStudy (anonymous):

well, the formula for finding circumference is \[pir ^{2}\]

OpenStudy (anonymous):

thanks

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