Geo 2/6 Hwk Proofs

What is the justification?

• Reflexive Prop.
• Symmetric Prop.
• Transitive Prop.
• Substitution

What is the justification?

• Symmetric Prop.
• Angle addition postulate
• Reflexive Prop
• Transitive Prop.

What is the justification that the measure of angle DAE plus the measure of angle EAF = 90 degrees?

• definition of supplementary angles
• definition of complementary angles
• Vertical Angles Theorem
• definition of bisect

What is the justification that segment GI is congruent to segment IH?

• segment addition postulate
• definition of perpendicular
• definition of midpoint
• definition of a segment

What would allow you to write this equation? 

• definition of complementary angles
• definition of supplementary angles
• Transitive Property
• Symmetric Property

What is the justification that the measure of angle DAE plus the measure of angle EAF equals the measure of angle DAF?

• definition of a right angle
• definition of complementary angles
• definition of an angle bisector
• segment addition postulate

What allows you to go from equality to congruence or vice versa?

• definition of equality
• Congruence postulate
• flip-flop postulate
• definition of congruence

What is the justification?

• Transitive Property
• Substitution Property
• Reflexive Property
• Symmetric Property

What allows to say that angle IKH is congruent to angle GKJ?

• definition of vertical angles
• Linear Pairs Theorem
• definition of a straight angle
• Vertical angles theorem

When using hypotenuse leg (HL) in a proof, you must first state ...

• CPCTC.
• there are right triangles.
• that vertical angles are congruent.
• the reflexive property.