A bicycle wheel turns 30 times in converting 132m.find the radius of circle.
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Answer:
70cm
Step-by-step explanation:
132m/30 = 4.4m i.e. circumference of wheel
Therefore
2πr = 4.4
πr = 2.2
r = 2.2*7/22 = 7/10 = 0.7m = 70cm
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