To level a plot of land 96 and 80 sq.metres in area, the circumference of a roller has to roll over 352 Dm. How long is the roller

the area of the plot = 96*80 sq m

let the length of the roller be h m

the circumference of the roller is rolling over 352 Dm = 3520 m

therefore

thus the length of the roller is 2.1818 m

hope this helps you.