Roller

Roller has a diameter of 0.89 m and a width of 225 cm. How many m2 of road level when he turns 30-times?

Final Answer:

A =  188.73 m2

Step-by-step explanation:

D=0.89 m a=225 cm→ m=225:100  m=2.25 m n=30  A1​=π⋅ D⋅ a=3.1416⋅ 0.89⋅ 2.25≐6.291 m2 A=n⋅ A1​=30⋅ 6.291=188.73 m2

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