Question 1130113
You were given values for each of the three dimensions but you were not given which value goes by which dimension.  The total surface area question CAN be answered.  


Most likely
length 20
width 18
height 8


Base area 3600 square feet


Perimeter of base, {{{2*20+2*18=2(38)=76}}} feet


Room's total surface area  {{{2*20*18+2*20*8+2*18*8}}}