3.40.3 Can you answer these questions?

3.40.3.1 How can I draw this cone exactly?
3.40.3.2 TeX-engine in modern multicore processors
3.40.3.3 tikz externalise as svg instead of pdf

Can you answer these?

3.40.3.1 How can I draw this cone exactly?

https://tex.stackexchange.com/questions/399883/how-can-i-draw-this-cone-exactly

I want to draw this cone, 
where SO = a, OA = 2a, AB=2a*sqrt(3). This is the picture which I draw in Geospacw. 
With some calculates, we have AOB=120 degrees and H is midpoint of the segment SM. 
...
 
- asked by toandhsp 3votes
3.40.3.2 TeX-engine in modern multicore processors

https://tex.stackexchange.com/questions/400396/tex-engine-in-modern-multicore-processors

Could (La)TeX processing be made faster by better exploiting the modern multicore processors, such as incorporating multithreading into one of the existing tex-processors? 
If so, is there any ongoing  ...
                                                                                  

                                                                                  
 
- asked by JoA~\[Sterling]o LourenA~\[Section]o 5votes
3.40.3.3 tikz externalise as svg instead of pdf

https://tex.stackexchange.com/questions/400406/tikz-externalise-as-svg-instead-of-pdf

i'm using the \tikzexternalize command to export all my tikz pictures out of my big (main-)document. 
For some reasons i need these pictures in svg-format. 
Is there a way to externalize the files  ...
 
- asked by himynameis 1vote