the radius of a 120 cm long roller is 42 cm it takes 1000 complete revolution moving once over to level a playground. what is the area of the playground
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diameter= 240
the circumference of the roller= 2pieR= 2*3.14*120
= 2*376.8
= 753.6 cm square is the area of the play grond.
the circumference of the roller= 2pieR= 2*3.14*120
= 2*376.8
= 753.6 cm square is the area of the play grond.
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