Respuesta :

Answer:

Total surface area= 608+360= 968 sq ft

Step-by-step explanation:

Answer:

968 square feet

Step-by-step explanation:

surface area covered

= 2(l + w) *h + lw

= 2(20+18)*8+20*18

=2*38*8+360

=608 +360

= 968 square ft