Respuesta :

CherisherNotFound

Surface area = (1/2 x 6 x 4) + (1/2 x 6 x 4) + (12 x 7) + (12 x 7) + (4 x 12)

                      =  12 + 12 + 84 + 84 + 48

                      = 240 cm²

∴ Answer: B

Hope this helps! :]

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