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Q] A bicycle wheel makes 5000 revolutions in moving 11 km. Find the diameter of the wheel.
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Areas Related to Circles
Areas Related to CirclesA bicycle wheel makes 5000 revolutions in moving 11 km. Find the diameter of the wheel. Hence, the diameter of the wheel is 70 cm.
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Let the radius of the wheel be r cm.
Distance covered by the wheel in one revolution = 500011 km = 220 cm
2πr=220
2×722×r=220
r=35 cm
Diameter = 2r=70 cm
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