Independent Practice: 1. Find the volume of the solid. Concrete: To complete a construction job, a contractor needs 78 cubic yards of concrete. The contractor has a conical pile of concrete mix that measures 22 feet in diameter and 12 feet high. 3. How many cubic feet of concrete are available to the contractor? 4. How many cubic yards of concrete are available to the contractor? 5. Does the contractor have enough concrete to finish the job