Question

Two cubes each of 9 cm edge are joined end to end. Find the surface area and volume of
the resulting cuboid.​

Answer 1

Answer:

Length of new cuboid, l=10+10=20 cm,

height h=10 cm

and width b=10 cm

Surface Area of Cuboid =2(lb+lh+bh)

=2(20×10+20×10+10×10)

=2(200+200+100)

=1000 cm

2