Answer:
4 +(r/5)
Step-by-step explanation:
The standard formula of circle is x^2 +y^2 = r^2
hope this will help you getting the length of radius sure right easy
r = sqrt8 = 2sqrt2
hope this will help you
I would say A but please wait for someone else to answer to make sure it's not wrong I would hate for you to get this wrong
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