vanessacovellov vanessacovellov
  • 05-11-2017
  • Mathematics
contestada

if a circle has an area of 49π what is the circumference of the circle ?

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Goliath17
Goliath17 Goliath17
  • 05-11-2017
A=pi•r^2
A=pi•49
r=7
C=2•pi•r
C=14•pi
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