Respuesta :

Answer:

24cm

Step-by-step explanation:

surface= Ixb

= 6x4

= 24cm

Answer:

148cm(squared)

Step-by-step explanation:

5 x 6 = 30

5 x 4 = 20

6 x 4 = 24

30 + 24 + 20 = 74cm

74cm x 2 = 148cm(s)