Respuesta :

1801651

Answer:

42, 12,480, 35

Step-by-step explanation:

the 42 is the frist one and then 12,480 is hte second one and for the last one it 35
For the second one :
SA of prisms is P(perimeter) h(height) + 2B(area of the base)
7+7+3+3 times 2 plus 2(7)(3)
40+ 42
SA = 82

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