Find the distance covered by a motorbike if its tyres are of radii 14 dm each and took 7500 revolutions to cover the distance
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Distance travelled = Circumference × No. of revolutions
= D = 2πr × 7,500
= D = 2×22/7×14 × 7,500
= D = 6,60,000dm/66,000m/66km
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Answer:
660,000dm
Step-by-step explanation:
Radius of wheel of bike = 14 dm
1 dm = 10 cm
14 dm =14 × 10 = 140 cm
Circumference of wheel = 2πr
=2×22/7×140
Distance traveled in 1 revolution = 880 cm
Distance traveled in 7500 revolution = 880 × 7500 = 6600000 cm
Hence distance covered is 6600000 cm
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