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melisa1 [442]
2 years ago
13

Look at this cube:

Mathematics
1 answer:
MissTica2 years ago
8 0
9x9 = 81
81x6=486 (old total surface area)

18x18 =324
324x6 = 1944 (new total surface area)

1944 : 486
4 : 1 (new to old)
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