Question

An aquarium is in the shape of a cuboid whose measure are 0.8 meter × 0.3 meters × 0.4 metre it faces are to be covered with a coloured paper. Find the cost of coloured paper at the rate of ₹100 per m².​

Answer 1

Answer:

Area of paper required = area of base + 2 area of side + area of back

=(80×30)+2(30×40)+(80×40)

=2400+2400+3200

$8000{cm}^{2}$