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C = pi * d
C = (22/7) * 7
C = 154/7
C = ?
C = (22/7) * 7
C = 154/7
C = ?
Circumference = π * diameter
Given that the diameter of the soup can is 7 cm, we can plug it into the formula:
Circumference = (22/7) * 7
Calculating this, we have:
Circumference = (22/1) = 22 cm
Therefore, the label must be approximately 22 cm long to wrap all the way around the soup can.