The answer is the letter B
Answer: B. 1/5
Step-by-step explanation:
Answer:
SAS theorem
Step-by-step explanation:
If
and m∠ECD = m∠BCA, then the triangles are similar by the SAS theorem.

So,
and m∠ECD = m∠BCA because vertical angles are congruent
Therefore ΔECD is similar to ΔBCA by SAS theorem
I think the answer to your question may be C.)
Answer:
yellow
Step-by-step explanation: