Question

what is a total surface area (cm^2)of a solid formed by joining two cubical box of side length 2 cm long one of their face?
A.20
B.24
C.40
D.48​

Answer 1

Answer:

$area \: of \: cube \: = 6 {a}^{2}$

a= 2

Step-by-step explanation:

area of cube =6a²

=6×2²

= 6×4

= 24