Answer :

Answer:

Vertical

Step-by-step explanation:

Just did the lesson and checked the answer key :D

Thanks for taking the time to read Angle ACB and angle ECD are angles vertical complementary supplementary none of the above. We hope the insights shared have been valuable and enhanced your understanding of the topic. Don�t hesitate to browse our website for more informative and engaging content!

Rewritten by : Barada

Answer:

vertical

Step-by-step explanation:

When two lines intersect, 4 angles are formed. Two non-adjacent angles are called vertical angles.

Answer: vertical