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25 March, 18:17

A flying disc has has a circumference of 81.64 cm what is the area of the flying disc used 3.14 for pie

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Answers (2)
  1. 25 March, 19:09
    0
    530.66 cm squared

    Step-by-step explanation:

    c = 2 (3.14) r

    81.64 = 2 (3.14) r

    Divide both sides by 6.28

    The radius is 13

    a = 3.14 (13 squared)

    a = 530.66
  2. 25 March, 19:34
    0
    Answer: 530.39 cm²

    Step-by-step explanation:

    C=2πr, Substitute 81.64 in for C then divide 2π t get 12.99. A=πr². Plug in 12.99 for r, solve, and get 530.39 cm
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