area=legnth times width
we have different measures
let's convert to inches
1 yard=3 feet=36 inches
10 yards=30 feet=360 inches
area=legnth times width
area=360 times 48
area=17280 in^2
if you wanted it in yards then
10 times 48/6=40/3=13.3333333333333333 yd^2
area=17,280 in^2 or 13.3333333333yd^2