1 rood how many perches?
Rood is an English unit of area equal to one quarter of an acre or 10,890 square feet (1,012 m2). A rectangle that is one furlong (i.e., 10 chains, or 40 rods) in length and one rod in width is one rood in area, as is any space comprising 40 perches (a perch being one square rod).