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25 January, 17:48

If the diameter of the circle is above 20mm what is the area

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Answers (2)
  1. 25 January, 17:52
    0
    A≈3.14*10-4m² there you go!
  2. 25 January, 18:14
    0
    The area of the circle is 314mm²

    Step-by-step explanation:

    To solve this problem we have to use the formula for calculating the area of a circle

    a = area

    π = 3.14

    r = radius

    d = diameter

    r = d/2

    r = 20mm / 2

    r = 10mm

    a = π * r²

    we replace the known values

    a = 3.14 * (10mm) ²

    a = 3.14 * 100mm²

    a = 314mm²

    The area of the circle is 314mm²
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