1.

1). 170 m22). 176 m23). 166 m24). 179 m2

Answer»

Given that,

The radius of a garden roller = 1.4 m

Length of garden roller = 2 m

According to the QUESTION,

One revolution of the roller is EQUAL to the surface area of roller which is in CYLINDRICAL shape.

So, Area of roller = 2πrl

Where l is length of roller.

Area of roller = 2 × (22/7) × 1.4 × 2

⇒ Area of roller = 17.6 m2

So, area covered in 10 revolution = 10 × area of roller = 176 m2

∴ Area covered by garden roller in 10 revolution is 176 m2.



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