Answer:
Answer 1: C = 2πr or C = πd
Answer 2: d = 9 feet
Answer 3: r = 4.5 feet
Explanation:
Answer 2: 28.26 = πd
28.26 = 3.14(d)
28.26/3.14 = d
9 = d
Answer 3: r = d/2
r = 9/2
r = 4.5
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