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11 December, 20:54

The radius is 3 so what is the circumference

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Answers (2)
  1. 11 December, 21:33
    0
    The formula for circumference of a circle

    =

    2

    π

    r

    The radius

    =

    3

    c

    m

    (assuming units to be in cm)

    2

    π

    r

    =

    2

    *

    22

    7

    *

    3

    =

    132

    7

    =

    18.86

    c

    m
  2. 11 December, 23:56
    0
    28.26 cm squared

    Step-by-step explanation:

    A = πr^2

    A = π (3) ^2

    A = 9π

    A = 9 (3.14)

    A = 28.26 cm squared
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