Line x and line z are straight lines.

Which pair of angles are vertical?
A. Angle a and Angle d
B. Angle b and Angle d
C. Angle a and Angle b
D. Angle c and Angle e​

Line x and line z are straight linesWhich pair of angles are verticalA Angle a and Angle dB Angle b and Angle dC Angle a and Angle bD Angle c and Angle e class=