Given that over right arrow EB bisects angle CEA , which statements must be true? Choose three correct answers.
A
angle AEF is a right angle.B
angle CEF is a straight angle.C
m angle CEF is equal to m angle CEA plus m angle BEFD
m angle CEB is equal to 2 times open paren m angle CEA close parenE
m angle CEA is equal to 90 degrees