Math, asked by seemachaudhary3798, 1 year ago

The diameter of the wheel of a car is 77cm. How many revolution will it make to travel 121km?

Answers

Answered by 0ashok2

4

Answer:

radius=77/2=38.5

circumference of circle=2πr

circumference of wheel=2×22/7×38.5

=242cm

no of revolution=121/0.00244

=50000

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