HannahDusza
HannahDusza HannahDusza
  • 08-11-2017
  • Mathematics
contestada

The area of a circle is 16 π cm 2 . What is the circle's circumference?

Respuesta :

ia07kader ia07kader
  • 08-11-2017
A=piR^2
16pi=piR^2    So R=4cm

C=2piR
C=8pi cm

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