What is the measure of DE?
A.41°
B. 40°
C. 37°
D. 39°
![What is the measure of DE A41 B 40 C 37 D 39 class=](https://us-static.z-dn.net/files/db1/59eb6cd6b9b901e13c03440a66f1e74b.png)
Since <ABC and <DBE are congruent(vertical angles theorem), AC and DE would have the same measure too.
It's A. 41