Answer:
≈ 20.11 m²
Step-by-step explanation:
Area of lawn covered by one full rotation:
- Ch = πdw, where
- C= circumference of the roller,
- w = width of the roller,
- d = diameter of the roller
Area covered by 20 rotations of the roller:
- 20*πdw = 20π*0.4*0.8 ≈ 20.11 m²
