Answer:
418 m²
Explanation:
SA = Ph + lw
where SA = total surface area
P = perimeter of the base
h = height of the prism
l = length of the base
w = width of the base
SA = 2(13 m + 8m) × 5 m + 2(13 m × 8 m)
SA = 210 m² + 208 m²
SA = 418 m²
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