Question

For two parallel lines, what is the sum of interior angles on the same side of the transversal?

• A. 90 degree
• B. 100 degree
• C. 360 degree
• D. 180 degree

Answer 1

The correct option is D 180 degree

For two parallel lines, the sum of the interior angles on the same side of the transversal is 180 degree.
They are called co-interior angles.