2.7 Day 2

What is the justification?

• Definition of congruence

• Reflexive Property of Congruence

• Segment Addition Postulate

• Definition of Midpoint

Tags

CCSS.HSG.SRT.B.5

What is the justification?

• Definition of Supplementary Angles

• Vertical Angles Theorem

• Definition of an Angle Bisector

• Angle Addition Postulate

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.CO.C.9

What is the justification?

• Congruent Complements Theorem

• Definition of Perpendicular

• Definition of a Right Angle

• Definition of Complementary Angles

Tags

CCSS.4.G.A.1

Given:  $\angle4\ and\ \angle3$  are complementary and  $\angle4\ and\ \angle5$  are complementary

Justify the conclusion:  $\angle3\cong\angle5$  

• def. of complementary angles

• The complement theorem

• The Congruent complements theorem

• Transitive

Tags

CCSS.7.G.B.5

Given:  $\angle EDB$  and    $\angle HDG$  right angles

Justify the conclusion:  $\angle EDB\cong\angle HDG$  

• def. of congruence

• right angles congruence theorem

• def of perpendicular lines

• def. of right angle