Need help on surface area of this!
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Answer:
Area = 1476 units^2
Step-by-step explanation:
(2)(12)(30) + (2)(9)(30) + (2)(9)(12) total area
Area = 1476 units^2
Answer:
1,476 units
Step-by-step explanation:
Formula of surface area (rectangular prism):
A = 2(wl + hl + hw)
2 · (12·9 + 30·9 + 30·12) = 1476