Which pair of angles are vertical angles?
∠rqs and ∠squ
∠rqw and ∠tqu
∠rqt and ∠tqv
∠rqw and ∠wqv

lines r u, w t, and s v intersect at point q. r u and s v are perpendicular. lines w t passes through angle r q v and angle s q u.