Q9. Formula for Surface Area of four walls of a cuboidal room
O l+b+h
O 2(I+b)xh
O 2(I+h)xb
O 2(h+b)xl
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Answer:
2(l+b)*h
Step-by-step explanation:
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Surface Area of 4 walls of cuboidal room= 2(l+b)h
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