A wheel makes 100 revolution in covering a distance of 88 km . find the radius of the wheel?
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Answer:
Circumference of a circle = 2πr (r is radius of circle )
Total distance covered in 1000 revolution = 88km = 88000 m
=> 1000 × 2πr = 88000 m
=> 2πr = 88
=> r = 88/2π (Value of π = 22/7)
Hence , r = 14 m
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Answer:
r= 14 cm is the correct answer.
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