State whether the statements are True or False.
Vertically opposite angles form a linear pair.

State whether the statements are True or False. Vertically opposite angles are equal.

State whether the statements are True or False. Vertically opposite angles are either both acute angles or both obtuse angles.

State whether the statements are true or false a-b=b-a

State whether the statements are True or False. Two adjacent angles always form a linear pair.

State whether the statements are True or False. Two supplementary angles always form a linear pair.

State whether the statements are true or false a-:a=b-:a

State whether the statements are true or false axxb=bxxa

State whether the statements are true or false -3xx3=-12-3

State whether the statements are true (T) or (F) false. If opposite angles of a quadrilateral are equal, it must be a parallelogram.