Question

1.A road roller takes 900 complete revolution to move once over to level a road. find the area of the road levelled is the diameter of the road roller is 126 cm and its length is 2.5m.​

Answer 1

Answer:

1 revolution, area of road covered = 2πrh

=2× 7

22

×63×2.5=990 m

Therefore,

Area covered in 900 revolutions = 900×990=891000 m

mark as brainlist