Writing Proofs Practice and Review

Writing Proofs Practice and Review

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Multiple Choice

• reflexive property

• definition of angle bisector

• vertical angles are congruent

• transitive property

Multiple Choice

• vertical angles are congruent

• right angles are always congruent

• definition of angle bisector

• given

Multiple Choice

• vertical angles are congruent

• definition of midpoint

• reflexive property

• definition of congruence

Multiple Choice

What reason would I put for statements 1, 2,3, 4

• reflexive property

• definition of congruence

• given

• definition of midpoint

• vertical angles are congruent

Multiple Choice

What reason would I use for statement 5?

• vertical angles are congruent

• definition of angle bisector

• given

• definition of congruence

• reflexive property

Multiple Choice

What reason would I use for statement 6?

• reflexive property

• vertical angles are congruent

• definition of congruence

• definition of midpoint

• definition of angle bisector.

Multiple Choice

What reason would you put for statement 7?

• vertical angles are congruent

• given

• reflexive property

• definition of congruence

Multiple Choice

What reason would you use for statements 1-5?

• definition of congruence

• vertical angles are congruent

• triangle sum theorem

• given

Multiple Choice

What reason would you put for statement 6?

• vertical angles are congruent

• triangle sum theorem

• right angles are congruent

• definition of angle bisector

Multiple Choice

What reason would you put for statement 7?

• vertical angles are congruent

• right angles are congruent

• triangle sum theorem

• definition of congruence

• definition of angle bisector

Multiple Choice

What is the reason for statement 8?

• vertical angles are congruent

• definition of angle bisector

• definition of midpoint

• CPCFC

Multiple Choice

What is the reason for statement 9?

• given

• triangle sum theorem

• definition of congruence

• CPCFC

Multiple Choice

• ∠ABC and ∠ ACB

• ∠BDA and ∠CDA

• ∠BAD and ∠CAD

Multiple Choice

Are the figures congruent?

• No, there is not rigid motion that will carry one triangle onto the other.

• Yes, a rotation will carry one triangle onto the the other

• Yes, a reflection will carry one triangle onto the other.

• Yes, a translation will carry one triangle onto the other.

Multiple Choice

What rigid motion is used?

• reflection

• rotation

• translation

Open Ended

Are the triangles congruent? How do you know?

Open Ended

Are the triangles congruent? If not, what else would you need to know to make them congruent?