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OpenStudy (anonymous):
she rides a bike 10 inches her brother rides kiddy sized bike wheels are the radius of 4 what were the difference of the two bikes in one complete rotation? give answer in of (pi)
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OpenStudy (gorv):
one complete revolution means diatance=2*pi*r
OpenStudy (gorv):
r= radius
OpenStudy (gorv):
she covered=2*pi*10=20pi her brother covered=2*pi*4=8pi
OpenStudy (gorv):
take their diffference ??
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