Question

two cubes of each volume 8cm³ are joined end to end, then what is the surface area of the resulting cuboid

Answer 1

very very easy question

Answer 2

firstly
volume of each cube =8cm^2
so side of cube =2cm
we add two cube its length will be dubble so new
l=4cm
b=2cm
h=2cm
surface area of cuboid=2(lb+bh+hl)
=40sqcm