Geometry Unit 3 Vocabulary Quiz

2 triangles are congruent if all of their corresponding parts are _________.

• congruent

• parallel

• perpendicular

• equal in area

Which of the following is NOT a method for proving triangles congruent?

• SSA

• SAS

• AAS

• HL

What type of angles are formed at point N?

• congruent vertical angles

• congruent right angles

• complementary angles

• supplementary angles

An angle bisector ____________________________.

• Divides an angle into two congruent angles

• Divides an angle into two angles

• Divides an angle into two complementary angles

• Divides an angle into two acute angles

If D is the midpoint of segment AB, what do you know about AD and DB?

• They are congruent

• They are similar

• AD is double DB

• DB is double AD

• Addition

• Subtraction

• Reflexive

• Substitution

What MUST we prove before using HL?

• The triangle is an acute triangle

• The triangle is a right triangle

• The triangle is an obtuse triangle

• The triangle is a scalene triangle

What does HL stand for?

• Hypotenuse Left

• Highest Leg

• Hypotenuse Leg

• Hypotenuse Longest

What does CPCTC stand for?

• Corresponding parts of congruent triangles are congruent.

• Corresponding parts of complementary triangles are congruent.

• Corresponding parts of congruent triangles are complementary.

• Corresponding parts of complementary triangles are complementary.

What always comes after addition/subtraction?

• Reflexive

• Prove Statement

• CPCTC

• Substitution