Parallel Lines and Transversal Vocabulary

Angles in the same relative position; angles in "matching corners"

• vertical angles

• same side interior angles

• corresponding angles
• alternate exterior angles

Tags

CCSS.8.G.A.5

Pairs of opposite angles formed by intersecting lines.

• Linear Pair

• Vertical angles
• Alternate interior angles

• Supplementary angles

Tags

CCSS.7.G.B.5

Adjacent angles formed by intersecting lines that add up to 180

• Vertical angles
• Linear Pair

• Transversal Line

• Alternate interior angles

Tags

CCSS.7.G.B.5

Angles inside the parallel lines and on opposite sides of the transversal.

• Vertical angles
• Alternate interior angles
• Alternate exterior angles
• Corresponding angles

Tags

CCSS.8.G.A.5

Angles outside the parallel lines and on opposite sides of the transversal.

• Vertical angles
• Corresponding angles
• Alternate exterior angles
• Alternate interior angles

Tags

CCSS.8.G.A.5

Angles inside the parallel lines on the same side of the transversal.

• Same-side interior angles
• Alternate angles
• Adjacent angles
• Opposite angles

Tags

CCSS.8.G.A.5

Angles outside the parallel lines and on the same side of the transversal.

• Alternate angles
• Vertical angles
• Adjacent angles
• Same-Side Exterior Angles

Tags

CCSS.8.G.A.5

A straight line that crosses through a set of parallel lines.

• Parallel line
• Supplementary line

• Intersecting line
• Transversal line

Tags

CCSS.HSG.CO.A.1

Angles that equal 180

• Obtuse angles
• Acute angles
• Right angles
• Supplementary angles

Tags

CCSS.7.G.B.5