This would be it i guess??
Answer: 6 miles
Step-by-step explanation:
The diameter is 2x the radius
2 x 3 = 6
Answer: 
This is the same as
and it is also equivalent to 
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Explanation:
n is some placeholder for a number
one fourth of that number is
which is the same as
or
since 1/4 = 0.25
From here, we subtract off 2 to get
as one possible final answer.
BC would equal the same as EF, they are similar. All you would have to do is figure out the pre image (BC) of EF.