orangetop orangetop
  • 19-04-2017
  • Mathematics
contestada

What is the radius for 7 cm, for area and circumference

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darkpinkwolf
darkpinkwolf darkpinkwolf
  • 20-04-2017

C=2πr

where:
C=circumference
r=radius

To find the circumference, substitute your known values into the equation:

C=2πr
C=2π(7)
C=14π
C≈43.98 

 the circumference is approximately 43.98 cm. Hope I helped!

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