Answer:
(3,2)
Step-by-step explanation:
Hope I helped
If I am understanding the question, and assuming the living room is a rectangle, then the border should be 80 ft
Rectangular prism Area=2(wl+hl+hw) in this case, the length (l) is 9m, the width (w) is 8m, the height (h) is 9m. Just plug everything into the formula: 2(8*9+9*9+9*8)=450m^3. Hopefully It helped. Have a good day.