E, D, B, A, C, F
I’m pretty sure that’s the order, sorry if it’s wrong
Sum is the result of adding so
12 + x, but i don't see it as a option.
There are three more angles with the same measure. A pair of corresponding angles and a pair of vertical angles.
#13: b
#14: c
#16: c
It is very easy, have a nice day :)
