The diameter of a garden roller is 1.4 m and it is 4 m long. How much area will it cover in 5 revolutions ? (use Ï€ = 22â„7) Pick one.
A) 80 m 2 B) 84 m 2 C) 88 m 2 D) 86 m 2 E) none of these

Rationale: "required area covered in 5 revolutions = 5 ã — 2 ï € rh = 5 ã — 2 ã — 22 â  „ 7 ã — 0.7 ã — 4 = 88 m 2 answer c"
Answer: C