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Perpendicular Lines

Parallel Lines

CPCTC

Supplementary

Midpoint

Bisect

Angle

Side

Reflexive Property

Vertical Angles

Congruent

The point equidistant from two endpoints (the half-way point)

Two lines that form a right angle

Two angles whose sum is 180 degrees

To divide into two equal parts

Two lines that never cross each other

A length connecting one point to another point

Two angles formed by two intersecting lines and are congruent

Lines, angles, or figures with the same measure

The space between two lines that is measured in degrees

Corresponding parts of congruent triangles are congruent

A line or angle is congruent to itself