BROBRO5681 BROBRO5681
  • 19-03-2024
  • Mathematics
contestada

A hollow iron pipe of 21 cm long and its external diameter is 8 cm. If the thickness of the pipes is 1 cm and iron weights 8g/cm², then the weight of the pipe is equal to
a) 3.6 kg
b) 3.696 kg
c) 36.9 kg
d) 36 kg

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