Which type of angle pairs are in the same spot, but different groups?

Which type of angle pairs are across from each other?

Which type of angle pairs are outside the parallel lines, on opposite sides of the transversal?

Which type of angle pairs are inside the parallel lines, on opposite sides of the transversal?

Which type of angle pairs are next to each other?

Two angles are supplementary to each other. Angle 1 is (2x + 6)º and Angle 2 is (4x)º. Determine the measurement of Angle 1.