Question

A road roller take 1000 complete revolution to move once over to level a road . The diameter of the road roller is 2m . find the width of the road if its lenght is 660​

Answer 1

Answer:

in 1 revolution area of road coverd=2rrh

=2x 22 upon 7 x 63 x 2.5 =990m²

therefore,

area covers in 900 revlutation =900x990=891000m²

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