Chapter 4 Review, 318

Front

What does AAS stand for in triangle congruence?

Back

AAS stands for Angle-Angle-Side, a criterion for triangle congruence.

Front

What does SAS stand for in triangle congruence?

Back

SAS stands for Side-Angle-Side, a criterion for triangle congruence.

Front

What does SSS stand for in triangle congruence?

Back

SSS stands for Side-Side-Side, a criterion for triangle congruence.

Front

What does HL stand for in triangle congruence?

Back

HL stands for Hypotenuse-Leg, a criterion for congruence specifically for right triangles.

Front

What is the Vertical Angles Theorem?

Back

The Vertical Angles Theorem states that vertical angles are congruent.

Front

What is the definition of an Angle Bisector?

Back

An Angle Bisector is a ray that divides an angle into two congruent angles.

Front

What is the Alternate Interior Angles Theorem?

Back

The Alternate Interior Angles Theorem states that if two parallel lines are cut by a transversal, then the alternate interior angles are congruent.

Front

What does CPCTC stand for?

Back

CPCTC stands for Corresponding Parts of Congruent Triangles are Congruent.

Front

When is CPCTC used in a proof?

Back

CPCTC is usually used as the last reason in a two-column proof.

Front

What is the purpose of a two-column proof?

Back

A two-column proof organizes statements and reasons in a clear, logical format to demonstrate the validity of a geometric statement.