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