Unit 2 Review: Sometimes, Always, Never!

Opposite rays meet at the vertex of a right angle.

• Sometimes

• Always

• Never

The complement of an acute angle is obtuse.

• Sometimes

• Always

• Never

Vertical angles are complementary.

• Sometimes

• Always

• Never

If two angles are congruent to the same angle, then they are congruent.

• Sometimes

• Always

• Never

We can assume right angles from a diagram.

• Sometimes

• Always

• Never

The relationship “is supplementary to” is transitive.

• Sometimes

• Always

• Never

If 2 congruent angles are subtracted from 2 congruent angles, then the differences are congruent.

• Sometimes

• Always

• Never

The supplement of an angle is acute.

• Sometimes

• Always

• Never

If two rays have a common endpoint, then they create a straight angle.

• Sometimes

• Always

• Never

If two angles are supplementary & congruent, then they are each 45 degrees.

• Sometimes

• Always

• Never