Postulates and Axioms

Front

If two angles are congruent and supplementary, then the angles are...

Back

right angles.

Front

Which theorem verifies that ∠COB & ∠AOD are congruent?

Back

Vertical Angles Theorem.

Front

What does the segment addition postulate state?

Back

If point B is between points A and C, then AB + BC = AC.

Front

What does the angle addition postulate state?

Back

If point D is in the interior of ∠ABC, then m∠ABD + m∠DBC = m∠ABC.

Front

If two angles are complementary and congruent, what is the measure of each angle?

Back

45 degrees.

Front

What is the definition of vertical angles?

Back

Vertical angles are the angles opposite each other when two lines intersect.

Front

What is the definition of complementary angles?

Back

Complementary angles are two angles whose measures add up to 90 degrees.

Front

What is the definition of supplementary angles?

Back

Supplementary angles are two angles whose measures add up to 180 degrees.

Front

What does the ruler postulate state?

Back

The distance between any two points is the absolute value of the difference of their coordinates.

Front

What is the definition of a linear pair?

Back

A linear pair is a pair of adjacent angles formed when two lines intersect.