5. The diameter of a wheel is 98 cm. In how many revoluuurls will ll t – InterviewSolution

1.	5. The diameter of a wheel is 98 cm. In how many revoluuurls will ll tobelaui6. If the difference between the circumference and diameter of a circle is 30 cm, then what is the radius ofthe circle?hos renrosented by bold lines
Answer» Difference = circumference - diameter= 2πr-2r= 302r(π-1)= 30radius = 30/2(π-1)= 7.004cm

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