The diameter of a roller is 84 cm and its length is 120 cm. It makes 500 complete revolutions to move once over to level a playground. Find the area of the playground.
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Q:
The diameter of a roller is 84 cm and its length is 120 cm. It makes 500 complete revolutions to move once over to level a playground. Find the area of the playground.
- 11590 sq.cmfalse
- 21594 sq.cmfalse
- 31580 sq.cmfalse
- 41584 sq.cmtrue
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