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8 August, 15:14

A Circle has a Radius of 2.5 cm. Find it's circumference.

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Answers (2)
  1. 8 August, 15:23
    0
    C = 2 (pi) (r)

    pi = 3.14

    r = 2.5

    C = 2 (3.14) (2.5)

    C = 15.7 < = = ... or 5 (pi)
  2. 8 August, 17:12
    0
    C=2πr=2·π·2.5≈15.70796
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