consider triangle AED and triangle DEC In the ligureAB DC, AE - EB and Z AED•
of equal
Sn : Consider A AEDand A DEC.
ZAED.
DE = DE
A AED2 A..
8.
and
700. Identify any three pa.
c
Consider A DEC and BCE
DC - EB
Z ECD-
[Given.]
[Alternate angles. AB CD and DE is a transversal.
[Common side.]
1 BySAS.1
[Given.