Answer:
Step-by-step explanation:
One
The definition of a kite.
Two
Perpendicular. The diagonals meet at right angles
Three
I don't know if the term is still used, but when I first learned this material (many years ago) we called it the reflexive property.
Four
You found out that <AED = <CED which established that both are right angles. The problem is, you do not have enough information to prove SAS.
AAS is never a dependable reason for proving anything conguent.
HL is really your only choice.
