Nδxyz, m∠x = 90° and m∠y = 30°. in δtuv, m∠u = 30° and m∠v = 60°. which is true about the two triangles? δxyz ≅ δtuv δxyz ≅ δvut no congruency statement can be made because only two angles in each triangle are known. no congruency statement can be made because the side lengths are unknown.