Angle Relationships 11/25

Front

Angles whose measure sum up to 180 degrees.

Back

Supplementary angles.

Front

What are complementary angles?

Back

Angles that add up to 90°.

Front

Vertical angles are always:

Back

Congruent.

Front

What type of angle is 90 degrees?

Back

Right angle.

Front

What are supplementary angles?

Back

Angles that add up to 180°.

Front

What type of angle is less than 90 degrees?

Back

Acute angle.

Front

What type of angle is greater than 90 degrees but less than 180 degrees?

Back

Obtuse angle.

Front

What is the sum of angles in a triangle?

Back

180 degrees.

Front

What are adjacent angles?

Back

Angles that share a common side and vertex.

Front

What is the relationship between vertical angles?

Back

They are always equal.