Chapter 2 Quiz 2.5-2.6

Name the definition, property, postulate, or theorem that justifies the statement.
 $If\ \overline{DE}\ \cong\overline{FG},\ then\ \overline{FG}\ \cong\ \overline{DE}.$  

• Symmetric Property

• Transitive Property

• Substitution Property

• Inverse Property

Name the definition, property, postulate, or theorem that justifies the statement. 
 $If\ XY\ =\ WZ,\ then\ XY\ +\ TU\ =\ WZ\ +\ TU$  

• Segment Addition Property

• Additive Inverse Property

• Ruler Postulate

• Transitive Property

Tags

CCSS.HSA.REI.A.1

Name the definition, property, postulate, or theorem that justifies the statement. 
 $If\ m\angle1\ +\ m\angle2\ =\ 180\ and\ m\angle2\ +\ m\angle3\ =\ 180,\ then\ \angle1\ \cong\ \angle3.$  

• Vertical Angles Theorem

• Congruent Supplements Theorem

• Alternate Exterior Angles Theorem

• Angle Addition Postulate

Name the definition, property, postulate, or theorem that justifies the statement. 
 $If\ \angle1\ \ and\ \ \angle2\ \ are\ \ vertical\ \ angles,\ \ then\ \angle1\ \cong\ \angle2.$  

• Angle Addition Postulate

• Vertical Angles Theorem

• Theorem 2.10

• Symmetric Property

Tags

CCSS.HSG.CO.C.9

If m∠A = 5x – 12, m∠B = 2x + 18, ∠A and ∠C are supplementary, and ∠B and ∠C are supplementary, find x.

• 40

• 24.86

• 10

• 12

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3