Question

2 cubes of volume 64 cm³ are joined end to end.Find the surface area of the resulting cuboid ​

Answer 1

Answer:

${160cm}^{2}$

Step-by-step explanation:

The volume of cube 64cm

3

Side of cube

3

64

=4cm

Length of resulting cuboid 4+4=8

Surface area

=2(lb+hl+bh)

=2(4(4)+4(8)+8(4))

=2(16+32+32)

=2(80)=160cm

2