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To make a road plain a roller has to complete 750 rounds. if the diameter ofroller is 84 cm and length 1 meter then find the area of road. |
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Answer» Length of roller = 1m = 100cm Circumference of roller = π x D = 22/7 X 84 = 264 cm Length of road = 264 x 750 = 198000 cm Width of road = length of roller = 100 cm Area of road = 198000 x 100 = 19,800,000 cm² or 1980 m² |
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