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18 September, 19:15

Work out the area of this circle

Take pie to be 3.142 and give your answer to one decimal place

radius is 4cm

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Answers (2)
  1. 18 September, 19:50
    0
    Area of a circle = pi * r^2

    Pi = 3.142

    r = 4

    A = 3.142 (4*4)

    A = 3.142 * 16

    A = 50.272 cm^2
  2. 18 September, 21:25
    0
    50.24 or 50.272

    Step-by-step explanation:

    Square radius and then times by 3.14 or 3.142

    4^2*3.14 = 50.24

    4^2*3.142 = 50.272
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