toloftbtisaagbrey
toloftbtisaagbrey toloftbtisaagbrey
  • 03-09-2016
  • Mathematics
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what is the circumference of a circle if the radius of the circle is 2.2 in terms of pi? a) 1.1 pi b) 1.21 pi c) 2.2 pi d) 4.4 pi

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JoshEast
JoshEast JoshEast
  • 04-09-2016
Cicumference =  Dπ  or  2rπ

thus if r = 2.2 
then C  = 2 (2.2)π
             =  4.4π

D is the answer
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