Phil (in ) said:

| "Morris Dovey" wrote in message
| ...
|| Burt (in ) said:
||
||| I can't remember the formula for the life of me.
||| If a dish is almost 3 ft across and I want to segment it like an
||| orange into 10 segments how do I calculate how wide each will be
||| at the rim?
||| So I end up with a dish that has 10 sides.
|||
||| I'm math clueless.
||
|| Burt...
||
|| Each of the sides will be 36" * sin(360 degrees / 20) or
|| approximately 11-1/8"
||
|| --
|| Morris Dovey
|| DeSoto Solar
|| DeSoto, Iowa USA
|| http://www.iedu.com/DeSoto/solar.html
||
||
|
| If he were building a 10 segment, flat circle you would be right on
| but he said "dish". I suspect he needs the other sides's dimension
| as well. More information is necessary to figure it out. How deep
| is the dish and does it have an elliptical section or is it part of
| a sphere? What is the dish for exactly? There are myriad
| possibilities
| when you say dish so there is no way to give a (complete) correct
| answer...

Phil...

Burt also wrote:
I need to cut ten pieces of steel to form a ten sided form that
will
fit exactly inside a 3 foot circle. I need the distance between the
points as a straight line. so if it section is shaped like a bow I
need the length of the string.

I interpreted this to mean he wanted the straight line distance
between adjacent points on a circle. Since circles are planar objects,
I don't think deformations of the 10 segments enter into /this/
calculation, but I could be wrong ( and frequently am :-)

--
Morris Dovey
DeSoto Solar
DeSoto, Iowa USA
http://www.iedu.com/DeSoto/solar.html