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At 22:53 11/16/97 -0500, you wrote:
...from the geometry, I get the two
equations:
h/(2r)=sin(T/2) and s/r=T, where h=chord length, s=arc length,
T=subtended angle.
Bob Sciamanda
By inspection, I reckon the half chord divided by the radius
is the tangent (half central angle)
i.e
h/(2r) = tan(T/2)
Sincerely
brian whatcott <inet@intellisys.net>
Altus OK