In ΔXYZ, m∠X = 90° and m∠Y = 30°. In ΔTUV, m∠U = 30° and m∠V = 60°. Which is true about the two triangles?

In ΔXYZ, the third angle is 60° because 180° − 90° − 30° = 60°. In ΔTUV, the third angle is 90°, so both triangles have angles of 30°, 60°, and 90°. This shows they are similar, but angles alone do not establish congruence; their side lengths could differ. Therefore, no congruency statement can be made because the side lengths are unknown.

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