Question

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?​

Answer 1

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