stupidbird101 stupidbird101
  • 03-05-2018
  • Mathematics
contestada

I need to know the answer to this math question, can anyone help?

I need to know the answer to this math question can anyone help class=

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twylaa01
twylaa01 twylaa01
  • 03-05-2018
The answer is C 28.26/9
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superstar310
superstar310 superstar310
  • 03-05-2018
The circumference is a circle is represented by the equation c=pi•r^2 or pi•d. If you know d=9 and c=28.26 then just substitute the values into the second formula (c=pi•d) so you’ll have 28.26=pi•9. Dividing 9 from both sides isolates pi so you’ll have 28.26/9=pi. I believe C is the right answer.
Answer Link

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