The diameter of a garden roller is 1.2 m and it is 2 m long. How much area will it cover in 5 revolutions ? (use Ï€ = 22â„7)
Choose the correct choice from the following:  A) 40 m2  B) 44 m2  C) 48 m2  D) 37.7 m2  E) None of these
Required area covered in 5 revolutions   = 5 Ã— 2Ï€rh = 5 Ã— 2 Ã— 22â„7 Ã— 0.6 Ã— 2 = 37.7 m2   Answer 37.7 m2
<result>D</result>
The diameter of a garden roller is 1.2 m and it is 2 m long. How much area will it cover in 5 revolutions ? (use Ï€ = 22â„7)