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Alchen [17]
3 years ago
9

Any help please? :/

Mathematics
2 answers:
Slav-nsk [51]3 years ago
8 0
The answer is 894cm<span> ². 13 x 9 x 2 + 15 x 9 x 2 + 15 x 13 x 2 = </span>894
mr Goodwill [35]3 years ago
4 0
I think it's
894 \: cm^{2}
Reason:
2 sides 13 x 9 = 2x13x9 = 234
2 sides 13 x 15 = 2x13x15 = 390
2 sides 15 x 9 = 2x15x9 = 270

234 + 390 + 270 = 894 cm^2
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