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a cylindrical roller is used to level a rectangular playground. the length of the roller is 3.5m and its diameter is 2.8m. is the roller rolls over 200 times to completely cover the playground. find the area of the playground.

Posted by Ananya Gupta 4 years, 10 months ago

CBSE > Class 08 > Mathematics

1 answers

Saloni Singh 4 years, 10 months ago

He ight of c ylinder= length of road roller Radius of cylinder = D/2 = 2.8/2 =1.4

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CBSE > Class 08 > Mathematics