Writing Triangle Proofs

Front

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

Back

∡AED≅∡BEC

Tags

CCSS.HSG.SRT.B.5

Front

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

Back

Definition of a midpoint

Tags

CCSS.HSG.GPE.B.6

Front

Identify the missing reason in triangle proofs.

Back

Definition of Angle Bisector

Tags

CCSS.HSG.CO.C.9

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.

Tags

CCSS.RI.11-12.4

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RI.9-10.4

CCSS.RI.9-10.4

Front

What is the definition of a midpoint?

Back

A point that divides a segment into two equal parts.

Tags

CCSS.HSG.GPE.B.6

Front

What is the Vertical Angles Theorem?

Back

Vertical angles are congruent.

Tags

CCSS.7.G.B.5

Front

What is the definition of an angle bisector?

Back

A ray that divides an angle into two congruent angles.

Tags

CCSS.HSG.CO.C.9

Front

What is the Symmetric Property?

Back

If a = b, then b = a.

Tags

CCSS.7.EE.A.1

Front

What is the Transitive Property?

Back

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

Tags

CCSS.HSG.SRT.B.5