Math, asked by amarnath271owvhkb, 1 year ago

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

Answers

Answered by victory1venkatesh
7
Diameter of Wheel = 77 cm = 77 * 10^-5 km 
Circumference = 2*22/7 * r = 22/7 D = 22/7 * 77 * 10^-5  = 242*10^-5 km
Distance travelled by car = 121 kms

No of revoultions = 121/242*10 ^-5  = 10^5/2 = 50000
Similar questions