rosy2553 rosy2553
  • 30-08-2020
  • Mathematics
contestada

Dividing circumference with radius

Respuesta :

jimthompson5910 jimthompson5910
  • 30-08-2020

If you divide the circumference C over the radius r, you get 2pi

2pi = C/r

this is because

C = 2pi*r

is one formula to find the circumference. Another formula is

C = pi*d

which works because d = 2r, ie the diameter is twice the radius.

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