Question

18) A rectangular piece of cardboard of
dimensions 42 cm x 32 cm is used to
make a box. Squares of size 6 cm x 6 cm
are cut out from all four corners (see
figure). The remaining
portion is folded to
make a box. The inner
surfaces of the box are
painted. Find the total
area of the painted
surfaces.​

Answer 1

Answer:

which standard question is this