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The Brainliest Answer!
2015-02-24T18:34:23+05:30
Revolution=50000 D=121km=12100000cm In 1 revolution distance= 12100000/50000=242 cm Therefore Circumference of wheel= 2pi r 2*22/7*r= 242 r= 242*7/2*22 r=77/2 cm D= 2r = 2*77/2 =77cm
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2015-02-24T19:06:06+05:30
Seventy seven centimeters
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