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 Wheel I has diameter 21.7 in. Wheel II has diameter 20.5 in. Round the diameter of each wheel to the nearest inch. About how much farther will Wheel I travel in one​ rotation? Use 3.14 for π.

Guest Feb 14, 2017
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Wheel I  rounded = 22"    circumference = pi x dia   = 22 x 3.14 = 69.08

Wheel II rounded = 21"                               pi x dia =   21 x 3.14 = 65.94    Difference = 3.14 "  (pi)

ElectricPavlov  Feb 15, 2017

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