help on arch/radius formula

r=(L^2 + 4*H^2)/(8*H)

where L is the distance between the two points, H is the maximum rise
between the points, and the ^2 indicates squaring.

Jay


"mel" <mwilliams3102@sbcglobal.net> wrote in message
news:Eaobb.1386$825.503@newssvr22.news.prodigy.com...
> since it's been 22 years, my high school geometry fails me. how do you
> figure the radius of an arch (eyebrow) segment from the rise and distance
> between two points?
>
>

On Sun, 21 Sep 2003 20:50:44 GMT, "mel" <mwilliams3102@sbcglobal.net>
wrote:

>since it's been 22 years, my high school geometry fails me. how do you
>figure the radius of an arch (eyebrow) segment from the rise and distance
>between two points?

You Google back a week or two.

--
Smert' spamionam