Math, asked by brainly5840, 4 months ago

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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Answers

Answered by CLOCIPcilpa
2

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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