Proofs Intro Cards

Front

Define: Midpoint

Back

A midpoint divides a segment in two congruent segments

Front

Define: Angle Bisector

Back

An angle bisector divides an angle in two congruent angles

Front

Define: Segment Bisector

Back

A segment bisector divides a segment in two congruent segments

Front

Perpendicular Lines

Back

Perpendicular lines form right angles

Front

Median

Back

A median connects a vertex to the midpoint of the opposite side of a triangle

Front

Altitude

Back

An altitude connects a vertex, perpendicular to the opposite side of a triangle

Front

Vertical Angles

Back

Vertical angles are congruent

Front

Complementary Angles

Back

2 angles whose sum (add) to 90 degrees

Front

Supplementary Angles

Back

2 angles whose sum (add) to 180 degrees

Front

Fill in the blank:

B is the ___________ of segment ____

Back