# The circumference is 11.555 cm. Determine the diameter of this circle.

December 30, 2020 | education

| The formula for the circumference is as follows: C = 2 * pi * r, where r is the radius of the circle, but 2 * r = d, d is the diameter of the circle. Therefore, C = 2 * pi * r = pi * d.

11.555 = 3.14 * d

d = 11.555 / 3.14

d = 3.679

d = 3.68

Answer: d = 3.68

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