
Mark H. answered 05/24/19
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The wheel with r radius has a circumference = 2*pi*r.
2 * pi * 14 = 88"
If the car rolls forward 88", the wheel makes one turn. So, 3" is 3/88 of a turn
Apply this ratio to the number of degrees in a circle: 360 * (3 / 88) = 12.3 degrees