A road roller has wheels of radius 70 cm. It has to work om 88 km of road. How many revolutions
of the wheel will be required for this purpose. Take, pi =22/7
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Answer:
we need to find firstly the perimeter of roller so
perimeter of roller = 2 × 22/7 × 70
= 2 × 220
= 440 cm
88km = 8800000 cm
total number of revolutions =8800000/440
= 20000 revolutions
Hope you get it, thank you
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