Respuesta :

Answer: 80 cm^3

Step-by-step explanation:

I assume you mean that the sides of the rectangular prism are of lengths 2cm, 2cm, and 9 cm.

Surface area of a rectangular prism: 2(wl+hl+hw)

 2((2*2)+(9*2)+(9*2))

=2(4+18+18)

=2(40)

=80cm^3

Hope this helped.