Respuesta :

ateoks
Take that pi = 3.142

pi r = 9.42
r = 9.42/3.142 = 2.998
d = 2 x 2.998 = 5.996
Cricumference = 3.142 x 5.996 = 18.839 cm

You need to get the radius then multiply by 2 to get the diameter then you can get the circumference.
spammytammmy

The answer would be A! :)

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