Angle Relationship Vocab

Front

What are Alternate Interior Angles?

Back

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

Front

What are Alternate Exterior Angles?

Back

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

Front

What are Same-side Interior Angles?

Back

Angles that are on the same side of the transversal and inside the two parallel lines.

Front

What are Corresponding Angles?

Back

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

Front

What is a Linear Pair?

Back

A pair of adjacent angles whose non-common sides form a straight line, adding up to 180°.

Front

What are Supplementary Angles?

Back

Angles that add up to 180°.

Front

What are Complementary Angles?

Back

Angles that add up to 90°.

Front

What is the relationship between Vertical Angles?

Back

Vertical angles are opposite angles formed by the intersection of two lines and are always equal.

Front

How do you identify Alternate Interior Angles in a diagram?

Back

Look for angles that are on opposite sides of the transversal and between the two parallel lines.

Front

How do you identify Alternate Exterior Angles in a diagram?

Back

Look for angles that are on opposite sides of the transversal and outside the two parallel lines.