need help with iQ academy geometry A congruent triangles quiz

Question

studygurl14 · Answer

you shouldn't cheat. It's a quiz. If you need help BEFORE taking the quiz, for review and studying, I'm fine with that.

anonymous · Answer

its a practice quiz not a real quiz

anonymous · Answer

I need help with proof of congruents

anonymous · Answer

need help

studygurl14 · Answer

okay. I'll help. hold on while I view the attachment

studygurl14 · Answer

Okay, for 3. AC = EC. Why? Look at the diagram, and 2 (C is the midpoint of AE). What does midpoint mean? The reason for 3 is midpoint theorem, because a midpoint seperates a line into two equal segements. It is the midpoint, halfway between two points. So that elimates 2 answers already. Can you figure out the reason for 7?