the diameter of a roller is 70cm and its length is 120 cm. it takes 500 complete revolutions to move once over a level of playground. find the area of the playground in meter square
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The diameter of a roller is 84cm and its length is 120cm. It takes 500 complete revolutions to move once over a level a playground. Find the area of the playground in m2.
Answer:
1584m²
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