CPCTC proofs

Front

What does CPCTC stand for?

Back

Corresponding parts of congruent triangles are congruent.

Front

Name a side or angle that is overlapping in triangles.

Back

DC.

Front

Identify a common angle in congruent triangles.

Back

Angle D.

Front

What is the justification for identifying a midpoint?

Back

Definition of a midpoint.

Front

Identify a common angle in the congruent triangles ΔKNM and ΔPLM.

Back

Angle M.

Front

What is the reflexive property in geometry?

Back

A property stating that a segment or angle is congruent to itself.

Front

What is the definition of congruent triangles?

Back

Triangles that have the same size and shape, meaning all corresponding sides and angles are equal.

Front

What is the significance of corresponding parts in congruent triangles?

Back

They are equal in measure, which is essential for proving triangle congruence.

Front

What is the definition of a midpoint?

Back

A point that divides a segment into two equal parts.

Front

What is the substitution property in geometry?

Back

If two quantities are equal, one can be substituted for the other in any expression.