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8 January, 18:38

The radius of a circle is 1 centimeter. What is the circle's circumference?

r=1 cm

Use 3.14 for n.

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Answers (1)
  1. 8 January, 19:58
    0
    6.28 cm

    Step-by-step explanation:

    The formula for the circumference of a circle with radius r is C = 2*pi*r.

    If we let pi = 3.14 and r = 1 cm, then the circumference of this circle is

    C = 2 (3.14) (1 cm) = 6.28 cm
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