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.

Vertically opposite angles form a linear pair.

State whether the statements are True or False.

Interior angles on the same side of a transversal with two distinct parallel lines are complementary angles.

State whether the statements are True or False.

A linear pair may have two acute angles.

State whether the statements are True or False.

An angle is more than 45°. Its complementary angle must be less than 45°.