Question

3 cubes each of side 4 cm are joined end to end find the surface area of resulting cuboid

Answer 1

When we join 3 cubes of side 4cm
We get length =12cm, breath =4cm and height =4cm
Suface area of resulting Cuboid =2(lb+bh+hl)
2[(12)(4)+(4)(4)+(4)(12)]
=2(48+16+48)
=2(112)=224cm sq.
Hope it will help you well