Answer:
correct answer is marked
Explanation:
You can work with the letters in the similarity statement, or you can work with the diagram.
The corresponding sides are ...
AC and BC
AE and BD
CE and CD
If you choose a pair on the left of this list, the proportion is written using the corresponding pair on the right of this list. Using the first two lines, we can write ...
AC/AE = BC/BD . . . . matches the first choice