25 questions / MA.912.GR.1.2 triangle congruence MA.912.GR.2.3 transformations MA.912.GR.1.3Prove relationships and theorems about triangles MA.912.GR.1.6Solve mathematical and real-world problems involving congruence MA.912.GR.2.6 Apply rigid transformations to map one figure onto another to justify that the two figures are congruent