Respuesta :

Use the Circumference Formula of a Circle: C=2(pi)(r). The radius is the length from the center to a point on the circle. The circumference is essentially the perimeter of the circle, so the “edge” around the circle is the circumference.
1. 28.26
2. 50.24
3. 65.94
4. 131.88
5. 34.54
6. 197.82
I hope this helps!
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