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20 November, 14:59

How do i find the area of the Susan b Anthony chin with a diameter of 10mm?

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Answers (2)
  1. 20 November, 15:23
    0
    A = πr²

    A = 3.14 (5) ²

    A = 3.14 (25)

    A = 78.53981634mm²
  2. 20 November, 15:25
    0
    The area of every circle is (pi) x (radius) ²

    and the radius of every circle is (1/2) x (diameter).

    This is only useful if Susan b Anthony's chin was circular.
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