The diameter of a garden roller is 1.4 m and it is 2 m long. How much area will it cover in 5 revolutions ? (use π = 22⁄7) Choose the correct choice from the following options
A) 40 m2 B) 44 m2 C) 48 m2 D) 36 m2 E) None of these
Required area covered in 5 revolutions   = 5 × 2πrh = 5 × 2 × 22⁄7 × 0.7 × 2 = 44 m2   Answer 44 m2
<result>B</result>
The diameter of a garden roller is 1.4 m and it is 2 m long. How much area will it cover in 5 revolutions ? (use π = 22⁄7)