The diameter of a garden roller is 1.4 m and it is 2 m long. How much area will it cover in 6 revolutions ? (use Ï€ = 22â„7)
Choose the correct choice from the following.
A) 40 m2  B) 44 m2  C) 52.8 m2  D) 36 m2  E) None of these
Required area covered in 5 revolutions   = 6 Ã— 2Ï€rh = 6 Ã— 2 Ã— 22â„7 Ã— 0.7 Ã— 2 = 52.8 m2   Answer 52.8 m2
<result>C</result>
The diameter of a garden roller is 1.4 m and it is 2 m long. How much area will it cover in 6 revolutions ? (use Ï€ = 22â„7)