maylany
maylany maylany
  • 22-04-2017
  • Mathematics
contestada

If r is the radius of a circle and d is its diameter, which of the following is an equivalent formula for the circumference C = 2r?

 A.C = 2d

Respuesta :

ak78
ak78 ak78
  • 24-04-2017
We know d = 2r
C equals either 2πr or πd
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