Question

Fron a thermocol sheet of thickness 4cm make a cube of side a (4cm). The volume of this cube is a ^3​

Answer 1

Answer:

Vol. of 4cm cube =(4)

3

cm

3

=64cm

3

Vol. of 1cm cube =(1)

3

cm

3

=1cm

3

Total no. of 1cm cubes =

Vol. of 1 cm cube

Vol.of 4 cm cube

​

=

1

64

​

=64

Surface area of 1 cube =6(side)

2

cm

2

Surface area of 1 cube =6(1)

2

cm

2

Surface area of 1 cube =6cm

2

Total surface area of all small cubes =64×6cm

2

=384cm

2

Step-by-step explanation: