Pre-Algebra Unit 6 Review – Angle Relationships

Front

What is the definition of complementary angles?

Back

Two angles whose measures add up to 90 degrees.

Front

What is the definition of vertical angles?

Back

Angles that are opposite each other when two lines intersect.

Front

What is the definition of supplementary angles?

Back

Two angles whose measures add up to 180 degrees.

Front

Adjacent angles are defined as:

Back

Two angles that share a common vertex and side but do not overlap.

Front

What is the definition of parallel lines (∥)?

Back

Lines that never intersect and are equidistant

Front

What is the definition of perpendicular lines (⊥)?

Back

Lines that intersect at a 90-degree angle

Front

What is the definition of corresponding angles?

Back

Angles that are in the same position on two parallel lines in relation to a transversal.

Front

What is the definition of alternate interior angles?

Back

Angles that are on opposite sides of the transversal and inside the two lines

Front

What is the definition of alternate exterior angles?

Back

Angles that are on opposite sides of the transversal and outside the two lines

Front

transversal

Back

A line that intersects two or more lines at distinct points