(14 points) Two mirrors intersect at angle of 45 degree. A ray strikes mirror 1 at…

(14 points) Two mirrors intersect at angle of 45 degree. A ray strikes mirror 1 at an angle of 58 degree. It reflects off of mirror 1, then off of mirror 2, then off of mirror 1 again (as shown). What is the angle theta that the ray reflects off of mirror 1 after striking it the second time?