Question

Find the area of a card requird to make a closed box length 24 cm,breadth 18 cm and height 12 cm​

Answer 1

area of the card =2(l+b)h +2(l×b)

=2×(24×18)12 +2(24×18)cm^2

=1008+864cm^2

= 1872 cm^2

so the area of the card =1872 cm^2