Ch. 2 Proofs

• Def. of congruent angles

• Def. of congruent segments

• Reflexive property of equality

• Right angles congruence theorem

Tags

CCSS.HSG.SRT.B.5

• Def. of right angles

• Substitution property of equality

• Def. of complementary angles

• Angle addition postulate

• Def. of complementary angles

• Def. of an angle bisector

• Addition property of equality

• Angle addition postulate

• Def. of supplementary angles

• Angle addition postulate

• Substitution property of equality

• Def. of perpendicular lines

• Vertical angles theorem

• Def. of complementary angles

• Def. of congruent angles

• Def. of an angle bisector

Tags

CCSS.HSG.CO.C.9

• Reflexive property of equality

• Transitive property of congruence

• Substitution property of equality

• Symmetric property of equality

Solve 

• x = 5
• x = 11
• x = 33
• x = 55

Fill in the statement for number 4. 

• m<ABC = m<1 + m<2 ; m<EFG = m<3 + m<4
• m<ABC = m<1 + m<4 ; m<EFG = m<3 + m<2
• <ABC= <1+ <2 ;   <EFG=  <3+ <4
• <ABC = <1 + <4 ;  <EFG =  <3 +  <2

Tags

CCSS.HSG.CO.C.10

CCSS.HSG.CO.C.9

What is the reason?

• Definition of Complementary
• Definition of 180 
• Definition of supplementary
• Angle Addition

Tags

CCSS.7.G.B.5

What is the reason?

• Angle Addition Postulate
• Definition of 90 
• Definition of supplementary
• Definition of complementary

Tags

CCSS.7.G.B.5