Geometric Proof Statements Vocabulary

Front

Angles that sum together to equal 180 degrees

Back

Supplementary angles

Front

If a=b, then a-c = b-c

Back

Subtraction POE (Property of Equality)

Front

For any real number a, a=a

Back

Reflexive POE (Property of Equality)

Front

If a=b, then a+c = b+c

Back

Addition POE (Property of Equality)

Front

A point that bisects a segment

Back

Definition of segment bisector

Front

Angles that sum together to equal 90 degrees

Back

Complementary angles

Front

If a=b and b=c, then a=c

Back

Transitive POE (Property of Equality)

Front

If a=b, then b=a

Back

Symmetric POE (Property of Equality)

Front

A line that divides an angle into two equal parts

Back

Definition of angle bisector

Front

Two angles that have the same measure

Back

Congruent angles