Question

http://prntscr.com/2j9r5u

Answer 1

is it CD

Answer 2

I think they want a ray that points in the opposite direction.
when you write BD that means start at B and head toward D
you want a ray that goes the other way.

Answer 3

CD starts at C and goes to D . That is the same direction as BD, so that is not the answer.

Answer 4

so it is BA @phi

Answer 5

Yes, that is the only ray that points in the opposite direction

Answer 6

thnxs @phi

Answer 7

THIS IS MY LAST QUESTION http://prntscr.com/2j9yn6