What must be true for lines a and b to be parallel lines? Select two options.

A) mAngle1 = (4 x minus 10) degrees
B) mAngle2 = 58Degrees
C) x = 20
D) (3 x minus 1) degrees equals = (4 x minus 10) degrees
E) Angle1 = 58Degrees

What must be true for lines a and b to be parallel lines Select two options A mAngle1 4 x minus 10 degrees B mAngle2 58Degrees C x 20 D 3 x minus 1 degrees equa class=