No.
Equal angles.
If two angles are vertical then they are congruent.
Vertical angles can be supplementary angles if the lines are perpendicular and then both of the vertical angles would be 90 digress.
No, because by definition, vertical angles are not adjacent angles. Hope this helps
not all congruent angles are vertical angles. Vertical angles must share a vertex.
Vertical angles must be congruent so if they are complementary, they must be 45 degrees to be complementary.
No.
Equal angles.
Vertical, possibly!
Vertical angles must necessarily be congruent, however congruent angles do not necessarily have to be vertical angles. An example of congruent angles which are not vertical angles are the 3 interior angles of an equilateral triangle. These angles do not share the same vertex yet they are congruent.
Equal angles.
have the same vertex. be congruent.
C. have the same vertex. done D. be congruent
Vertical angles are always, by definition, congruent. Note: If the two vertical angles are right angles then they are both congruent and supplementary.
If two angles are vertical then they are congruent.
Vertical angles can be supplementary angles if the lines are perpendicular and then both of the vertical angles would be 90 digress.