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21 August, 16:24

The radius of a circle is 12.25 centimeters. What is the circumference of the circle?

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  1. 21 August, 16:54
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    With a given radius you can multiply by 2 and simply get the diameter. Getting the diameter of the circle would then allow you to use the equation pi (24.5). You can round pi to 3.14. 3.14*24.5=76.93. The circumference is 76.93.
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