Question

an aquarium is in the form of a cuboid whose external measure are 80cm×30cm×40cm.the base,
side face and back face are to be covered with a coloured paper. Find the ares of the paper needed.​

Answer 1

Answer:

1360 cm

Step-by-step explanation:

Length - 80 cm

Breath - 30 cm

Height - 40 cm

Area of the paper need is

=2 {(L x B)(B x H)(L x H)}

=2 {(80 x 30)(30 x 40)(80 x 40)}

=2{240 x 120 x 320}

=2 x 680

=1360 cm