Math, asked by sarabjeetkaur289, 1 year ago

a road roller takes 750 complete revolution to move ones over to level a road . find the area of the road if the diameter of the road roller is 84 cm and is length is 1 meter

Answers

Answered by Anonymous
2

Heya...!!


Here is ur answer..!!



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→ In one revolution the wheel of the roller will cover an area equal to its surface area.


Curved surface area of cylinder  = 2 Πrh



= 2 × 22÷ 7 × 42 × 100


= 26400 sq cm => 2.64 sq m.


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I hope this may help u..!!


:)

Answered by ashpatel38
4
Area of road = 750 × (Lateral Surface Area)
= 750 × 2πrh
= 750 × 2 × 22/7 × 42/100 m × 1 m
= 1980 m^2

Hope this helps... plsss make it the brainliest
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