11-03-2015
Mathematics

contestada

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

Respuesta :

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

12-03-2015

A = πr²
A = 3.14(5)²
A = 3.14(25)
A = 78.53981634mm²

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