Question

How many times will a wheel of radius 35cm be rotated to travel 660cm?(take π=22/7).

Answer 1

2*22/7*35=660cm

220=660

rounds=660/220

=>3

Answer 2

here it is given that radius = 35cm

so circumference of the circle =2 πr

= 2× 22/7 × 35

= 2× 22 × 5

= 44× 5

= 220cm

distance traveled by the wheel in one rotation= 220cm

distance to be covered = 660cm

no. of rotations = 660/220

= 3 rotations

hope it helps

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