Jackie used the figure below, and he determined that ∆ADE is congruent to ∆CBE using the HL Congruent Theorem. But he made a mistake.
Given: ≌ ; ≌ ; ⦨AED ≌ ⦨BEC.
In the first sentence, identify the mistake that Jackie made when he determined that the two triangles are congruent.
In the second sentence, explain which Triangle Congruence Postulate or Theorem is easiest for you to use to prove that two triangles are congruent and why it is the easiest.
In the third sentence, explain which Triangle Congruence Postulate or Theorem is the most difficult for you to prove two triangles are congruent and explain why.
