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8 November, 18:16

The circumference of a circle is about 50 centimeters

(cm). What is an estimate of the length of its radius?

3.14 for pie.

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Answers (1)
  1. 8 November, 18:26
    0
    r is about 8 cm

    Step-by-step explanation:

    The circumference is given by

    C = 2*pi*r

    50 = 2 * 3.14 * r

    50 = 6.28r

    Divide each side by 6.28

    50/6.28 = 6.28r/6.28

    7.961783439 = r

    r is about 8 cm
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