RE: [OT] Excel/maths question

["James Hoye" <yahoo@xxxxxxxxxxxxx>]

> This one should be easy for the maths guru's out there, if I've
> got a square
> area of 424km (for example), how do I work out the dimensions of
> the square,

square root function for the side of a square based on its area

> or, even better, the diameter of a circle based on 424km/sq.

A=pi r^2

so r=sqrt(A/pi) where A is the area and r is the radius
will give you the radius of a circle with an area of A

James H