Chapter 2: Angle Relationships and Properties of Geometrical Figures

A set of practice vocabulary flashcards covering the key terms and angle properties identified in the geometry lecture notes.

Complementary angles

Two angles that share a sum of $90^\circ$.

Supplementary angles

Two angles that share a sum of $180^\circ$.

Vertically opposite angles

Angles formed opposite each other when two lines intersect.

Transversal

A line that cuts across two parallel lines, creating sets of matching and related angles.

Corresponding angles

Angles situated in the same relative position at each intersection where a transversal cuts two parallel lines.

Interior angles

Angles that lie inside (between) the two parallel lines when cut by a transversal.

Alternate angles

Pairs of angles on opposite sides of a transversal line and within the parallel lines.