Answer:
Step-by-step explanation:
surface area = (area of trapezoid x 2) + (perimeter x width)
= 1/2 <u>(</u>12 + 6) x 4 x 2 + (12 + 5 + 6 + 5)x3
= 72 + 84
= 156 in²
you can use math way it will be on there
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