At 06:06 PM 8/14/1998 -0700, you wrote:
>Sorry to be so off topic. I can't find my math books. Could you please give
>me the formula for finding the area of a circle, and diameter of an area?
>Thank you
>John
>
>

area of a circle   = pi * radius^2
diameter of circle = 2 * radius

so,

area of circle = pi * (diameter/2)^2

Solve for diameter
                  _____________________
diameter =  2 *  /(area of circle/pi)


Regards,
Gary

p.s.  pi = 3.1415927......