Point C is on line l
The figure is not drawn to scale
Which of the following additional statements would allow us to prove that the sun of the interior angle measures in triangle ABC is 180 degrees
A. Angle 1 congruent to angle 2 only
B. Line l parallel to AB only
C. Either statement is sufficient
D. We need both statements
E. Even with both statements, we still could not prove that the sum of the interior angle measures in triangle ABC is 180 degrees
