Answer:
Circumference = 2πr
Circumference = 2 × 3.14 × 11
Circumference = 22 × 3.14
Circumference = 69.08 in
Circumference = 2 x r x pi
Circumference = 2 x 11 x pi
Circumference = 22pi or 69.08 inches depending on what format the answer is supposed to be in.
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