A circle has a circumference of 18 cm long. What is the diameter?

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2 Answers

Serkel...wide=18, so rim-leng=18*pi

=18*3.14159 26535 89793 23846 26433 8327...

=56.5486677

or bout 56.55
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I want to know what the pipe size if it is 56'' around I think it is 18'' is that right
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