Intro to Proofs

Given segment BC with point x on the segment between points B and C.  What is the best choice for the missing reason?

• Definition of segment congruence
• Definition of a midpoint
• Definition of a segment
• Segment addition postulate

Tags

CCSS.HSA.REI.A.1

What is the reason?

• Reflexive thm of congruence
• Symmetric thm of congruence
• Definition of congruence
• Definition of equality

Tags

CCSS.HSG.SRT.B.5

What is the reason?

• Definition of vertical angles
• Angle addition postulate
• Definition of angle bisectors
• Vertical angles are congruent

Tags

CCSS.7.G.B.5

What is the reason?

• Definition of a right angle
• Definition of 90⁰
• Definition of supplementary angles
• Definition of complementary angles

Tags

CCSS.7.G.B.5

What is the reason?

• Definition of adjacent angles
• Definition of angle congruence
• Definition of angle bisectors
• Definition of a midpoint

Tags

CCSS.HSG.CO.C.9

What is the reason?

• Definition of complementary angles
• Definition of 180⁰
• Definition of supplementary angles
• Angle Addition Postulate

Tags

CCSS.7.G.B.5

What is the reason?

• Definition of a midpoint
• Definition of segment congruence
• Segment addition postulate
• Definition of segment bisectors

Tags

CCSS.HSG.CO.C.10

What is the reason?

• Reflexive property of equality
• Symmetric property of equality
• Angle addition postulate
• Definition of angle congruence

Tags

CCSS.7.G.B.5

What is the reason?

• Reflexive property of equality
• Definition of a right angle
• All right angles are congruent
• Definition of perpendicular

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

What is the reason?

• Reflexive theorem of angle congruence
• Symmetric theorem of angle congruence
• Definition of angle congruence
• Transitive theorem of angle congruence

Tags

CCSS.HSG.SRT.B.5