a pair of angles formed by 2 lines and a transversal. The angles must both lie in the interior of the figure, must like on alternate sides of the transversal, and must have different vertices (look for N or Z shape)
a pair of angles formed by two lines and a transversal. One angle must lie in the interior of the figure, and the other must lie in the exterior. The angles must lie on the same side of the transversal but have different vertices. (Look for an "F" shape)
Please allow access to your computer’s microphone to use Voice Recording.