Read the proof Given: AE 1 EC BD DC
Prove: AAEC - ABDC
A
Statement
Reason
1. AE1 EC BD 1 DC
1. given
2. ZAEC is art.2: LBDC is a 2. definition of
perpendicular
3. ZAEC LBDC
3. all right angles are
congruent
14.2
4. reflexive property
5. AAEC - ABDC
15. AA similarity theorem
What is the missing statement in step 4?
B
E
С
O ZACE ZBCD
D
LEAB ZDBC
LEAC LEAC
LCBD 2DBC