Are ∠2 and ∠7 vertical angles?

A: no; The angles are not adjacent.
B: yes; The angles form a linear pair.
C: yes; The sides of the angles form two pairs of opposite rays.
D: no; Only one pair of opposite rays is formed by the sides of these two angles.

Are 2 and 7 vertical angles A no The angles are not adjacent B yes The angles form a linear pair C yes The sides of the angles form two pairs of opposite rays D class=