If ∠S ≅ ∠S, and ∠YXS ≅ ∠QRS, then: * 1 point ∆XSY and ∆RSQ are similar ∆XSY and ∆RSQ are congruent ∆XSY and ∆RSQ have no provable relationship ∆XSY and ∆QYS are similar ∆XYS and ∆RSQ are congruent Other: