brobro5 brobro5
  • 26-04-2018
  • Mathematics
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HELP PLEASE answer for surface area

HELP PLEASE answer for surface area class=

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selenas0207 selenas0207
  • 26-04-2018
SA= 2∏rh + 2∏R2

=2(9)11 + 2(9)2

198+162 

SA= 360∏
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