Question
The wheel of a car made 300 rotations. How much distance
did the car travel if the diameter of the wheel is 28 inches? (1 inch = 2.54cm)Solution
Radius of the wheel = (diameter/2) = (28/2) =14 inches Distance covered by the wheel in 1 rotation =circumference of the wheel = 2π × radius of the wheel Distance traveled by a wheel in 300 rotations = 300× 2× 22/7 ×14 =26400 inches = 26400×2.54cm =67056cm =670.56 meter
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