1) below/above (but right/left is OK I assume) - so angle is probably measured clockwise.
Keep X formula unchanged, and modify Y:
y = ystart - length *sin(angle)
so:
D2:
conecting lines:
you need:
center coordinates
first point coordinates
center coordinates
second point coordinates
center coordinates
third point coordinates
etc.
I do not know layout of your data. So let's assume is the one I used before
May be easy way will be add empty row below each pair (length, angle) and then copy formulas from C2:D2 to columns C and D in these empty rows. As in added rows columns A and B are empty the formulas in C and D will return coordinates of center.
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