Respuesta :

I am assuming this is 11cm circumference.

pi•(2•r)=circumference so 11/pi is the diameter and 5.5/pi is the radius. This gives the answer of about 3.5 for the diameter and 1.75 for the radius.

Answer: The Diameter is 13cm and the radius is 6.5cm I had this question on khan Academy

Step-by-step explanation:

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