anonymous
  • anonymous
PLEASE HELP WILL AWARD FAN AND MEDAL!!!!!! circle a as an area of 254.469 square units. What is the circumference of circle a ? Round your answer to the nearest hundredth, if necessary. A. 9.00 units B. 15.95 units C. 56.55 units D. 81.00 units
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
|dw:1436273721456:dw|
anonymous
  • anonymous
and so that is the opposite of \[\pi \times R ^ 2\]
anonymous
  • anonymous
yes and i would plug in 254.469 for area correct?

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anonymous
  • anonymous
yes
anonymous
  • anonymous
but not for circumference.
anonymous
  • anonymous
well wouldnt you solve for the radius then plug it in to the formula to find circumference
anonymous
  • anonymous
and \[\pi = 3.1415926535898\]
anonymous
  • anonymous
yes
anonymous
  • anonymous
yes the formula for the circumference of a circle is R x \[\pi \times 2\]
anonymous
  • anonymous
okay so then i solve for r then plug that in and find the circumference?
anonymous
  • anonymous
yes, that is right
anonymous
  • anonymous
plus i am only in grade 3
anonymous
  • anonymous
yeah
anonymous
  • anonymous
can you medal and fan now?
anonymous
  • anonymous
medal you and fan
anonymous
  • anonymous
is c correct?
anonymous
  • anonymous
thank you soo much :)

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