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A closed rectangular water tank 12 m by 8 m 7 m is to be painted all over. What is the correct formula will you use to solve the problem?
A closed rectangular water tank 12 m by 8 m 7 m is to be painted all over. What is the correct formula will you use to solve the problem?
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Answer:
Surface area
SA = 2[(L×W) + (W×H) + (L×H)]
SA = 2(L×W) + 2(W×H) + 2(L×H)
SA = 2(12×8) + 2(8×7) + 2(12×7)
SA = 2(96) + 2(56) + 2(84)
SA = 192 + 112 + 168
SA = 472 m²