the dimensions of a room are l=8 m, b=5 m, h=4 m. find the cost of distempering its four walls at the rate of rs.40/ m².
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Length of room= 8m
Breadth of room= 5m
Height of room= 4m
Lateral Surface area of cuboid= 2(l+b)h
=2(8+5)4
=2×13×4
=108 square m
Cost of distempering per Sq. m= Rs.40
Cost of distempering 108sq. m=108×40
= Rs.4320
Breadth of room= 5m
Height of room= 4m
Lateral Surface area of cuboid= 2(l+b)h
=2(8+5)4
=2×13×4
=108 square m
Cost of distempering per Sq. m= Rs.40
Cost of distempering 108sq. m=108×40
= Rs.4320
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