Writing Triangle Proofs

Front

What is the 'statement' for step 3 of the proof?

Back

∡AED≅∡BEC

Front

What is the justification (reason) for the statement in step 3?

Back

Definition of a midpoint

Front

Identify the missing reason in triangle proofs.

Back

Definition of Angle Bisector

Front

What is the justification (reason) for the reflexive property?

Back

Reflexive Property

Front

What does the word 'congruent' mean?

Back

Figures or angles that are exactly the same size and shape.

Front

What is the definition of a midpoint?

Back

A point that divides a segment into two equal parts.

Front

What is the Vertical Angles Theorem?

Back

Vertical angles are congruent.

Front

What is the definition of an angle bisector?

Back

A ray that divides an angle into two congruent angles.

Front

What is the Symmetric Property?

Back

If a = b, then b = a.

Front

What is the Transitive Property?

Back

If a = b and b = c, then a = c.