Question

Four cubes of side 2 cm are joined end
to end. The surface area of the resulting
solid is​

Answer 1

Answer:

Area of cube = a2

===> ( 2 ) 2

===> 4 cm2

Area of 4 cubes = 4 × a2

===> 4 × 4

===> 16cm2

Answer 2

a new solid, cuboid Will be formed...

Explanation:

length of the new solid=2+2+2+2=8cm

height=2cm

breadth=2cm

surface area.=2(lb+bh+lh)

=2[(8+2)+(2+2)+(8+2)]

=2(10+4+10)

=2×24

=48cm2