△RST ~ △RYX by the SSS similarity theorem. Triangle R S T is shown. Line segment Y X is drawn from side R T to side R S to form triangle R Y X. Which ratio is also equal to StartFraction R T Over R X EndFraction and StartFraction R S Over R Y EndFraction? StartFraction X Y Over T S EndFraction StartFraction S Y Over R Y EndFraction StartFraction R X Over X T EndFraction StartFraction S T Over Y X EndFraction