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Norma-Jean [14]
3 years ago
11

I would like a Brainiac to help me with this thing - Thanks!

Mathematics
1 answer:
klemol [59]3 years ago
7 0
Lateral surface area = (23×12.04)+(23×8)+(23×9)
= 276.92 + 184 + 207
=667.92
= 668m²

Total surface area = 668 + 1/2(2×8×9)
= 668 + 72
= 740m²
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