Answer:
10.5
Step-by-step explanation:
Answer:
15
Step-by-step explanation:
answeram I righatjfj
Answer:
Step-by-step explanation:
∠ACB and ∠ECD are vertical angles, so ∠ACB = ∠ECD.
∠D = ∠B
∠A = ∠E
△ABC and △EDC are similar because they have the same angles.