Angles
Measure angle DEB, DEA, ACE, DEB
Measure angle DEB, DEA, ACE, DEB
Answer these questions with your partner.
1. What is the sum of angles DEB and DEA?
2. What is the sum of angles AEC and BEC?
3. What do you notice about angles AEC and DEB?
4. What do you notice about angels CEB and AEB?