The radius of a scooter wheel is 14 cm. How many revolutions will it make to complete a distance of 118.8
50 m
4 Find
(i) 66 cm
(i) 176 cm
(ii) 242 cm
80 m
metre?
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Solution :
Distance travelled
= Number of revolutions/Circumference
2πr = 8800/50
2πr = 176
2 x (22/7) x r = 176
r = 176 x (7/22) x (1/2)
r = 28 cm
Hence the radius of the wheel is 28 cm
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