Im am not sure what you are asking but:
by AAS.
by the inscribed angle theorem.
Given the information in the diagram, which congruency proves that AC = DE?
And...
The value of θ in the above diagram, to the nearest degree is
A. 67°
B. 134°
C. 46°
D. 113°
I've been stuck on these ones for a a bit...I don't know how to do them....