Homework 3.5 Proofs Angles

• Def. of Supplementary angles 

• Supplement theorem 

Tags

CCSS.7.G.B.5

• Congruent supplements theorem 

• Supplement theorem 

Tags

CCSS.7.G.B.5

• Def. of congruence 

• Congruence theorem 

Tags

CCSS.8.G.A.2

An angle bisector divides an angel into two equal parts

• Angle Bisector Theorem

• Def. of angle bisector

Tags

CCSS.HSG.CO.C.9

What is reason 1?

• 
• 
• 
• 

Tags

CCSS.HSG.CO.C.9

In the given proof, what are the reasons for step 1 and 2?

• Angles that form a linear pair are supplementary.

• Substitution

• Reflexive Property of Congruence

• Angles of equal measure are congruent.

Tags

CCSS.7.G.B.5

In the given proof, what is the reason for step 1?

• Angles that form a linear pair are supplementary.

• Angles of Equal Measure are Congruent

• Reflexive Property of Congruence

• Definition of a Perpendicular Bisector

Tags

CCSS.HSG.CO.C.9

In the given proof, what is the statement for step 2?

Tags

CCSS.8.G.A.5

In the given proof, what is the statement for step 2?

Tags

CCSS.HSG.CO.C.9

Given: ∠1 and ∠3 are vertical angles. What should you conclude by the vertical angles theorem?

• undefined andundefined are right angles.

Tags

CCSS.7.G.B.5