Part B
Complete the proof of the vertical angles theorem.
Given: Lines AB and CD intersect at point E.
Prove: Angle AED is congruent to angle BEC.
Enter the missing statements and reasons in the table.
BIVX X₂ 14pt
Statement
ZAED and ZDEB are a linear pair.
m/DEB + m2BEC = 180°
mZAED + m2DEB = m/DEB +mZBEC
Space used (includes formatting):
接近中间 my
Reason
given
Linear pairs are supplementary.
definition of linear pair
Linear pairs are supplementary.
subtraction property of equality
definition of congruency

Part B Complete the proof of the vertical angles theorem Given Lines AB and CD intersect at point E Prove Angle AED is congruent to angle BEC Enter the missing class=