Answer:
r=C2
Step-by-step explanation:
C=2r is the equation to find circumference
She needs to work backwards in this case, so:
r=C2
r=The circumference she knows x 2 x 3.14(or 3.14159265359)
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<h3><u><em>I would recommend writing/typing all of this(Especially if you need to show you work)!</em></u></h3>
<em><u>I hope this helped!</u></em>
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