a road roller takes 750 complete revolution to move once over to level a road. fi d tha area of the road if tha diameter of the road roller is 84 cmm and its length is 1m?
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Use formula first curved surface area of roller = 2πrh
take d=2r and get r. length became height
get answer and multiply with 750 and you get answer.
mark as brainliest answer.
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