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So I think I know how to solve this I just don't know what the circumference is...

 Jul 10, 2014

Best Answer 

 #1
avatar+267 
+10

The circumference of a circle is 2r(pi) so we substitue 18 for r and then put it in the calculator

(note: You could also use 3.14 as an approximation for pi and work it out yourself)

36 * pi is approximately equal to 113.1

 

Hope I could help!

 Jul 10, 2014
 #1
avatar+267 
+10
Best Answer

The circumference of a circle is 2r(pi) so we substitue 18 for r and then put it in the calculator

(note: You could also use 3.14 as an approximation for pi and work it out yourself)

36 * pi is approximately equal to 113.1

 

Hope I could help!

Quazars Jul 10, 2014

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