Seudónimo Seudónimo
  • 09-04-2018
  • Mathematics
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plz help ill give u brainlist plz help toofree

plz help ill give u brainlist plz help toofree class=

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Аноним Аноним
  • 09-04-2018
Total surface area = 2(62.4) + 3(72) = 340.8 cm²

Your friend did this : 2(62.4) + 72 = 196.80.
He did not multiply the 72 by 3 (Since there is 3 sides)


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