Answer: 256
Step-by-step explanation:
Answer:
SAS theorem
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 is 152 but I’m not 100% sure