If those are the sides of a square, multiply them to get the area (in square feet).
6 miles is 31,680 feet.
18 = 6 x 3
6 feet = 1.8288 meters
No. There is no dirt in a hole of any dimensions. It's a hole. D'oh....
75in
182.88 cm
77 inches
12times 6, which is 72 inches.
6 ft = 182.88 cm
16*32*6 = 3072 cubic feet is needed
1000