radius=1.2 circuimsantece=2 3.14 1.2=76.36 circuimsantece of quarter=76,36/4=19.09 ratio=1/2
The circumference of a quarter is approximately 7.54 centimeters. The ratio of the radius to the diameter of the quarter is 0.5. This means that the radius is half of the diameter.
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