Question

What will be the change in total surface area of a cuboid if it's each edge is reduced to one third

Answer 1

Total surface area of cuboid is 2(lb+bh+lh)

All are one third so

2(l/3b/3+b/3h/3+l/3h/3)

2((lb+bh+lh)/3)

By this we can say that surface area will divided by 3

Answer 2

Answer:

Is reduced to 1/9 of original area.