rectangular block -
volume: 126m3
length: 7m
breadth: 6m
height: 3m
question: a litre of paint can cover 20m2. how many litres of paint will it take to paint all but (except) the base of the block?
rectangular block -
volume: 126m3
length: 7m
breadth: 6m
height: 3m
question: a litre of paint can cover 20m2. how many litres of paint will it take to paint all but (except) the base of the block?
Sides are 7m by 6m and the height is 3m
So areas
long side A=7*3=21m^2
other long side A = 21
short side A =6*3=18
other short side also 18
top = 7*6=42
Total area to be painted = 21+21+18+18+42 = 120m^2
120 divided by 20 = 6 cans of paint