Right triangle ABC is reflected over AC, then dilated by a scale factor of to form triangle DEC. Which statements about the two triangles must be true? Check all that apply. 1.△ABC ~ △DEC 2.∠B

Right triangle ABC is reflected over AC, then dilated by a scale factor of to form triangle DEC. Which statements about the two triangles must be true? Check all that apply.

1.△ABC ~ △DEC

2.∠B ≅ ∠E

3.3BC = 2EC

4.3DE = 2AB

5.3m∠A = 2m∠D

6.2m∠A = 3m∠D