Math, asked by rajkumarbhosale2006, 3 months ago

A road roller takes 500complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84cm and length is 1 m.

Answers

Answered by lathpiyush

1

Answer: 1320m²

Step-by-step explanation: area of a hollow cylinder= 2πrh

radius of the road roller= 84/2= 42cm

let pi= 22/7

=2*22/7*42*100(length = height)

= 26400

26400*500(times)

= 13200000cm²

1cm²= 0.0001m²

= 1320m²

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