Geometry segment and angle definitions, postulates, and theorems

Front

Definition of a right angle:

Back

An angle = 90°.

Front

What does the distributive property illustrate?

Back

7(x - 8) = 7x - 56.

Front

What does segment addition state?

Back

Front

What is the substitution property?

Back

If x = 3, then 5x = 5(3).

Front

What is the transitive property of congruence?

Back

Front

Definition of complementary angles:

Back

Two angles that sum to 90°.

Front

Definition of supplementary angles:

Back

Two angles that sum to 180°.

Front

What is the definition of a straight angle?

Back

An angle = 180°.

Front

What does the angle addition postulate state?

Back

Front

What is the definition of vertical angles?

Back

Angles opposite each other when two lines intersect; they are congruent.