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 one.
A) 40 m 2  B) 44 m 2  C) 52.8 m 2  D) 36 m 2  E) none of these

Rationale: "required area covered in 5 revolutions = 6 ã — 2 ï € rh = 6 ã — 2 ã — 22 â  „ 7 ã — 0.7 ã — 2 = 52.8 m 2 answer c"
Answer: C