miya3 miya3
  • 11-03-2015
  • Mathematics
contestada

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

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AL2006
AL2006 AL2006
  • 11-03-2015

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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Panoyin
Panoyin Panoyin
  • 12-03-2015
A = πr²
A = 3.14(5)²
A = 3.14(25)
A = 78.53981634mm²
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