@@meli.shenaniganswe are actually so lucky to have a genius teacher! Since he shows us what's the best possible way to solve this. He also does some shortcuts to make the lesson easier. A couple of students called him the magiciracle man😅
Brooo i think the angle for the last part is 40 and 60 bcus as you said in the video the measurement of the intercepted arc is equal to the angle of it... And the value of the arcs are 40 and 60 .... But good vid