Intro to Proofs Geometry

Complete the statement using the symmetric property:

If KL=RT then _____

• RT=KL

• KL=KL

• 4KL=4RT

• KL+C=RT+C

What is the justification?

• Definition of congruence

• Reflexive Property of Congruence

• Segment Addition Postulate

• Definition of Midpoint

Tags

CCSS.HSG.SRT.B.5

A__________ is a fixed position in space and has no dimensions or size.

• Point

• Line

• Plane

• Cube

Tags

CCSS.4.G.A.1

What kind of angles are shown?

• complementary

• supplementary

• adjacent

• corresponding

Tags

CCSS.7.G.B.5

What are vertical angles?

• Congruent angles formed opposite each other by the intersection of two lines.

• Angles formed by the intersection of two perpendicular lines.

• Angles formed by the intersection of two parallel lines.

• Angles formed by the intersection of two intersecting lines at a right angle.

Tags

CCSS.7.G.B.5

What is this mean?

• Conditional Statement

• Converse

• Inverse

• Contrapositive

What is Statement?

• ∠ABC ≌ ∠DCE

• ∠BCA ≌ ∠CED

• ∠CAB ≌ ∠EDC

• None of the following

Tags

CCSS.HSG.CO.B.7

What congruency postulate proves the triangles congruency?

• SAS

• ASA

• SSS

• HL

Tags

CCSS.HSG.SRT.B.5

Fill in the missing proofs.

• Transitive Property, SAS(Side-Angle-Side)

• Reflexive Property, SAS(Side-Angle-Side)

• Reflexive Property, Vertical Angles Thm.

• Transitive Property, SSS(Side-Side-Side)

Tags

CCSS.HSG.CO.C.9

What is reason #3?

• SAS

• ASA

• SSS

• AAS

Tags

CCSS.HSG.SRT.B.5