Practice with Angles and Parallel Lines

A pair of adjacent angles whose non-common sides are opposite rays (two angles that break up a line into two angles). HINT: These angles are supplementary!

• Vertical Angles

• Linear Pair

• Transversal

• Complementary Angles

Two angles whose sum is 90 degrees.

• Linear Pair

• Supplementary Angles

• Complementary Angles

• Linear Pair

-Angles outside the lines (exterior) that lie on the same side of the transversal.

-SUPPLEMENTARY when lines are parallel

• Alternate Interior Angles

• Same-Side Interior Angles

• Alternate Exterior Angles

• Same-Side Exterior Angles

Two angles whose sum is 180 degrees

• Supplementary Angles

• Perpendicular Lines

• Adjacent Angles

• Corresponding Angles

A pair of opposite congruent angles formed by intersecting lines.

• Transversal

• Parallel Lines

• Vertical Angles

• Adjacent Angles

a line that intersects two or more lines (usually parallel lines)

Hint: Line "l" in the picture

• Parallel Line

• Vertex

• Vertical Angles

• Transversal

-Angles in the same place on different lines

• Corresponding Angles

• Alternate Interior Angles

• Bisecting Angles

• Supplementary Angles

-angles between 2 lines (interior) and on opposite sides of a transversal (alternate)

-CONGRUENT when lines are parallel

• Alternate Interior Angles

• Same Side Interior Angles

• Corresponding Angles

• Vertical Angles

-Angles that lie outside a pair of lines (exterior) and on opposite sides of a transversal (alternate.)

-CONGRUENT when lines are parallel

• Same Side Exterior Angles

• Corresponding Angles

• Linear Pair

• Alternate Exterior Angles

-Angles Between the lines (interior) and on the same side of the transversal.

-SUPPLEMENTARY when lines are parallel

• Supplementary Angles

• Same Side Interior Angles

• Linear Pair

• Vertical Angles