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4 July, 03:12

work out the circumference of this circle take pie to be 3.142and give your number to 1 decimal place and the radius is 11.2cm

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Answers (2)
  1. 4 July, 03:27
    0
    Pi*r*2 = 2*pi*11.2

    =70.3716 ...

    70.3716 ... > 1 d. p.

    =70.4cm
  2. 4 July, 03:40
    0
    Circumference is 2*pi*r

    2 * 3.142 * 11.2 = 70.3808, to 1 decimal place is 70.4cm^2
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