Unit 2: Introduction to Proof Review

Find the value of the variable.

• 6

• 4

• 16

• 90

Tags

CCSS.HSG.CO.C.9

Find the value of x, given that s⊥t.

• 180

• 90

• 35

• 80

Tags

CCSS.7.G.B.5

• Vertical Angles Theorem 

• Angle Addition Postulate 

• Def. of congruence 

• Def. of midpoint 

Tags

CCSS.4.MD.C.7

Which reason justifies the statement below?

CD + DE = CE and DE = XY, then CD + XY = CE

• Segment Addition Postulate

• Substitution Property

• Symmetric Property

• Transitive Property

Tags

CCSS.HSG.SRT.B.4

Which reason justifies the statement below?

BC + CD = EF and EF = GH + JK, then BC + CD = GH + JK

• Segment Addition Postulate

• Addition Property

• Subtraction Property

• Transitive Property

Tags

CCSS.HSG.SRT.B.4

Which reason justifies the statement below?

AB + CD = CD + EF, then AB = EF.

• Addition Property

• Subtraction Property

• Reflexive Property

• Substitution Property

Which reason justifies the statement below?

If AB ⊥ MN, then <MNB is a right angle.

• Complement Thereom

• Definition of Complementary Angles

• Definition of Right Anlge

• Definition of Perpendicular

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Which reason justifies the statement below?

If <T and <U are complementary, then <T + <U = 90^∘.

• Complements Theorem

• Definition of Right Angles

• Definition of Complementary Angles

• Congruent Complements Theorem

Tags

CCSS.HSG.SRT.B.5

Which reason justifies the statement below?

If <T and <U are supplementary, then <T + <U = 180^∘.

• Definition of Complementary Angles

• Definition of Supplementary Angles

• Complements Theorem

• Supplements Theorem

Tags

CCSS.7.G.B.5

Which reason justifies the statement below?

s(t +u) = st + su

• Multiplication Property

• Distributive Property

• Reflexive Property

• Symmetric Property

Tags

CCSS.6.EE.A.3