Discussion Forum



1)

Two cubes each of 10cm edge are joined end to end.Find the surface area of the resulting cuboid.


A) 1000 sq.cm

B) 500 sq.cm

C) 600 sq.cm

D) 250 sq.cm

Answer:

Option A

Explanation:

For the cuboid,

Lenght=10+10=20 cm, Breadth =10 cm,Height=10 cm

Surface area of cuboid = 2(lb+bh+hl) =2(200+100+200=1000 sq.cm