Thank you for responding. :DDD
Ohhh I get it, it's like the average of the foci points.
I shall start studying ellipses on alcumus.
I think we did a similar activity during my science class when we were learning about planets.
Sadly, it failed quite misreably since it was hard to get everything organized while in quaratine.
I miss doing labs. :((
Last year, we were supposed to do this forensic lab where we would try to solve a m****r case.
Our teacher had to make everything electronic and it was still fun, but we didn't get to do things such as collect finger prints.
=^._.^=