Responsibility and Duties of Cheerleading Captains and CO-Captains. 1  Start Practices - See that all materials and supplies are ready to go. 2  Notify Squad Members - You should have a calling list and be sure everyone on the squad is notified of upcoming events.
One acre equals 0.0015625 square miles, 4,840 square yards, 43,560 square feet or about 4,047 square metres (0.405 hectares) (see below).
The number of square feet in an acre is 16.5 feet times 2640 feet, which equals 43,560 square feet per acre. There are 144 square inches in a square foot. The number of square inches per acre is 43,560 square feet times 144 square inches, which equals 6,272,640 square inches per acre.