(Solved): Determine the volume of backfill in cubic feet for figure shown. Assume a length of 315 feet of th ...

Determine the volume of backfill in cubic feet for figure shown. Assume a length of 315 feet of the footing. Answer in numerical values only and two decimal places. A-18 feet B-14.3 feet C-10 feet D=8 feet h=5.5 feet AVERAGE WIDTH OF CUT A B SLOPE 1.5:1 -BACKFILL h 2-8 D ?