Question

an aquarium is in the shape of a cuboid whose measures are 0.8 × 0.3 × 0.4 it faces (excluding the front face) are to be covered with a coloured paper find the cost of the coloured paper at the rate of Rupees 100 per metre square ​

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

=8000cm

2

Answer 2

Answer:

Correct option is C)

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

=(80×30)+2(30×40)+(80×40)

=2400+2400+3200

=8000cm

2