a room is 6m long 4.5m wide and 3m high find the cost of cementing the inner portion of the walls at the rate of 5.50 per m square
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area of four walls is 2(l+b)*h
2*10.5*3=63
cost of cementing is 5.50*63= ₹346.5
area of four walls is 2(l+b)*h
2*10.5*3=63
cost of cementing is 5.50*63= ₹346.5
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