Quote:
Originally Posted by DampRobot
The equations I came up with were: (r-h)sin(l/2r)=x/2 and 2rsin(l/2r)=(x^2/4+h^2)^1/2
where r was the radius of the curve, h was the height specified in your diagram, l was the length of the curve, and x was the length of the chord.
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I think you made a mistake somewhere along the way. Those equations don't look correct.
x/2 = rsin(l/2r), not (r-h)sin(l/2r)
and
2rsin(l/r) = x, not (x^2/4+h^2)^1/2