Question

the diameter of the wheel of a car is 70 cm how many Revolution will it make to travel 1 km ​

Answer 1

Answer:

Step-by-step explanation:

1.65 km = 1.65 ×1000×100 cm

             = 165000 cm 

now,radius = diameter/2

          = 70/2

          =35 cm

now, circumference = 2π r

                                = 2×(22/7)×35

                                = 220 cm

it means, 220 cm = 1 revolution

      then, 165000 cm = 165000/220

                                  = 750 revolution

Answer 2

Answer:

Step-by-step explanation:

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