Circumference of circle: 15*pi = 47.124 cm rounded to 3 decimal places
Area of circle: pi*7.5 squared = 176.715 square cm rounded to 3 decimal places
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7.5Radius of circle: 15/2 = 7.5 cm
The diameter of a circle with a circumference of 15 centimeters is about 4.775 cm
15 cm
706.5cm
A circle with a radius (d/2) of 15 cm has a circumference of 94.2 cm