If you lay a straightedge on the bottom panel to the chine you will see that the outside tip of the other 2 panels touches the straight edge. The angle of the middle panel is a few degrees less than the 'hull' deadrise and the outer panel is even flatter. A lot of info is on Carls original patent but the angles are different on different hull designs. I will try to dig up the angles for my 23 but I don't have the others.
On my 23 at the transom I got:
Inner - 20.4 (pretty close to Tim's)
Middle - 13.4
Outer - 9.5
Obviously it gets steeper as you move forward. Not sure how exact they are but you get the general idea...
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