The French and Indian War was a conflict between the American colonists and the French over control of the Ohio Valley and the confluence of the Allegheny and Monongahela riversâmodern day Pittsburgh.
1 acre = 160 square rods A rod is a linear measure equal to 5.5 yards, or 16.5 feet while an acre is a measure of area equal to 4840 square yards, or 43,560 square feet.
Area of a circle = (pi) R2 = (pi) (1)2 = (pi) square miles. 1 square mile = 640 acres. (pi) square miles = 640 (pi) = 2,010.62 acres (rounded) Area of a circle = (pi) R2 = (pi) (1)2 = (pi) square miles.