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sineoko [7]
3 years ago
6

Help would be appeeiciated

Mathematics
1 answer:
ser-zykov [4K]3 years ago
6 0
Filling in the given information, you are asked to find "r" from
  64π = 4πr²

Dividing by 4π gives
  16 = r²

And taking the square root tells you
  4 = r

The appropriate choice is ...
  C.   4
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