Point along an elliptical arc based on the chord length being equal

Hi All,

Sorry if this has been answer before but I couldn’t find a solution for our situation. It may be easy and I am just missing process.

We have a façade based on an elliptical arc and we would like 20 façade panels along the arc.

If we just divide the elliptical arc by 20 it gives us varying panel sizes due to the change in curvature. How would I go about spacing the points along the arc so that the chords are the same size? But still finish at the end of the arc with 20 panels.

Many thanks

Wayne