Question

the bicycle wheel makes 5000 revolution in moving 11 kilometre find the circumference and the diameter of the wheel​

Answer 1

Answer:

In 5000 revolutions the bicycle covers 11km or 11000 m

So in 1 revolution, the bicycle will cover, 11000/5000 = 11/5 = 2.2 m

1 revolution = circumference = 2.2 m

ie, 2πr = 2.2

r = 2.2 × 7/22 × 1/2

r = 0.7 / 2

r = 0.35 m = 35 cm

Diameter = 2r = 2×35 = 70 cm

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