Answer:
Surface Area= 432m2 / Volume= 960m3
Step-by-step explanation:
Surface Area = 2(1/2bh) + LW+LW
( 8m x 4m ) + ( 8m + 6m + 6m )20
(32) + (20)20
Surface Area = 432m2
Total Volume = (BXHXL) / 2
8m x 12m x 20m/2=
1920/2
V = 960m3