Trig

The diameter of the wheels on your car (including the tires) is 25 inches. You are going to drive 305 miles today. Each of your wheels is going to turn by an angle of how many degrees.

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  1. Tire circumference (C) = pi*D = 78.54 inches

    Distance travelled (X) = 305*5280*12
    1.932*10^7 inches

    Number of tire revolutions = X/C = ___

    Multiply that by 360 for the number of degrees.

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  2. 88578151.26

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