3.7 Pre-requisite Vocab

Front

Parallel Lines

Back

Coplanar lines that never intersect

Front

Arrows

Back

Symbols drawn on two or more lines to indicate they are Parallel to each other

Front

‖

Back

Symbol used to indicate Parallel

Front

Skew Lines

Back

Non-coplanar lines that do not intersect

Front

Transversal

Back

A line that intersects two or more lines at different points.

Front

Perpendicular Lines

Back

Lines that intersect each other and create Right Angles

Front

Interior Angles

Back

Angles located inside, or in-between, intersected lines

Front

Exterior Angles

Back

Angles located outside intersected lines

Front

Right Angle

Back

An angle that measures 90°

Front

Acute Angle

Back

An angle that measures less than 90°