Thanks for this memory sheet, very useful!
However I believe some formulas, details might be added...
Angles of a polygons (n-2)* 180, angles inscribed in a circle (compared to central angle there a section about it in the VERITAS Prep
Also I did not see two real IMPORTANT triangles sides ratio:
Good you put the formula for the equilateral triangle (which is not given in the OG and allow you to gain so much time)
I found formula I did not know!
Thank you for sharing