Angle Pairs

Angles with a common side are adjacent.

• Always true

• Sometimes true

• Never true

The supplement of an angle is obtuse.

• Always true

• Sometimes true

• Never true

The complement of an angle is obtuse.

• Always true

• Sometimes true

• Never true

The complement of any acute angle is acute.

• Always true

• Sometimes true

• Never true

Two intersecting lines form two pairs of vertical angles.

• Always true

• Sometimes true

• Never true

Two supplementary angles are congruent.

• Always true

• Sometimes true

• Never true

Angles that form a linear pair are supplementary.

• Always true

• Sometimes true

• Never true

Supplementary angles form a linear pair.

• Always true

• Sometimes true

• Never true

Two adjacent angles form a linear pair.

• Always true

• Sometimes true

• Never true

Complements of congruent angles are congruent.

• Always true

• Sometimes true

• Never true