Proofs Geometry Review

What is the "statement" for step 2 of the proof?

• AD=AD

• AD=DA

• HD=DN

• HA = AN

Identify the missing statement or reason

• Definition of Angle Bisector

• Alternate Interior Angles Theorem

• Reflexive Property

• Definition of Midpoint

What does CPCTC stand for?

• Corresponding Parts of Corresponding Triangles are Congruent

• Congruent Parts of Corresponding Triangles are Congruent

• Corresponding Parts of Congruent Triangles are Congruent

Use the congruency statement to answer the following:

• not congruent to another angle

Fill in the missing reason for the proof.

• Opposite angles are congruent.

• Alternate interior angles formed by parallel lines are congruent.

• Vertical angles are congruent.

• CPCTC

What is the measure of angle C?

• 35

• 70

• 72.5

• 110

For isosceles triangles, when we are given that two sides are congruent we can prove that ______________________.

• two angles are congruent

• the third side is congruent

• three angles are congruent

• no other relationships exist

Which segment is the base?

• Segment AB

• Segment BC

• Segment AC

Which sides are congruent?

• AB and AC

• AB and BC

• AC and BC

• ABC and ACB

Which could be used to prove the lines are parallel?

• Alternate Interior

• Corresponding

• Vertical

• Cannot be proved parallel