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.
An acre is a unit of area, like square feet or square yards, most commonly used to measure large tracts of land. The usage of the acre unit dates back as early as the 8th century in England. In order to calculate the number of acres in a circle, you need to know the area of a circle can be found using the formula radius times radius times pi. Pi is the ratio between the diameter of a circle and the circumference.