You will need 6.17 cubic yards of cement.
8.64 cubic yards of cement.
Assuming that's 30 ft X 30 ft X 6 inches, you will need 20 cubic yards
28 feet by 32 feet by 6 inches thick requires at least 16.59 Cubic Yards.
You will need 27.6 cubic yards of cement.
one yard of cement will make a 8 x 10 square foot slab at 4 inches thick, that's 80 sq. feet per yard of cement at 4 inches thick.
9 metre2
You will need 6.17 cubic yards of cement.
8.64 cubic yards of cement.
It depends on how deep it is. If it is 6 inches deep, you will need 77 yards.
Brute, manual effort. A sledgehammer or jack hammer are the two most common methods for a cement slab or sidewalk. Roadways need much bigger equipment.
Assuming that's 30 ft X 30 ft X 6 inches, you will need 20 cubic yards
28 feet by 32 feet by 6 inches thick requires at least 16.59 Cubic Yards.
You will need 27.6 cubic yards of cement.
You will need at least 9.68 cubic yards of cement.
0.86 cubic yards is needed.
You'll need 1 cubic yard.