CPCTC

Front

What does CPCTC stand for?

Back

Corresponding parts of congruent triangles are congruent.

Front

When do you use CPCTC in a proof?

Back

ALWAYS at the end.

Front

What is the definition of congruent triangles?

Back

Triangles that have the same size and shape.

Front

What postulate would prove triangle ∆ABC is congruent to triangle ∆DEF if two sides and the included angle are known?

Back

SAS (Side-Angle-Side).

Front

What postulate would prove triangle ∆XYZ is congruent to triangle ∆PQR if all three sides are known?

Back

SSS (Side-Side-Side).

Front

What does SAS stand for?

Back

Side-Angle-Side.

Front

What is the definition of alternate interior angles?

Back

Angles that are on opposite sides of a transversal and inside the two lines.

Front

What is the definition of corresponding angles?

Back

Angles that are in the same position on two parallel lines in relation to a transversal.

Front

What is the definition of alternate exterior angles?

Back

Angles that are on opposite sides of a transversal and outside the two lines.

Front

If two angles are supplementary, what is their relationship?

Back

Their measures add up to 180 degrees.