3.1 parallel lines and transversals worksheet answers

Parallel Lines andTransversalsLESSON3–1

Five-Minute Check (over Chapter 2)TEKSThen/NowNew VocabularyKey Concepts: Parallel and SkewExample 1:Real-World Example: Identify Parallel and SkewRelationshipsKey Concepts: Transversal Angle Pair RelationshipsExample 2:Classify Angle Pair RelationshipsExample 3:Identify Transversals and Classify Angle Pairs

Over Chapter 2A.380B.395C.1280D.1580Make a conjecture about the next number in thesequence, 5, 20, 80, 320.

Over Chapter 2A.If you do not live inMassachusetts, then you donot live in Boston.B.If you live in Massachusetts,then you do not live in Boston.C.If you do not live inMassachusetts, then you livein Boston.D.You might live inMassachusetts or Boston.Write the contrapositive of this statement.If youlive in Boston, then you live in Massachusetts.

Over Chapter 2Use the Law of Detachment or the Law of Syllogismto determine whether a valid conclusion can bereached from the following set of statements.If twoangles form a linear pair and are congruent, theyare both right angles.A andB are both rightangles.

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Over Chapter 2Name the property that justifies the statement.Ifm1 +m2 = 75 andm2 =m3, thenm1 +m3 = 75.

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C.Addition PropertyD.Symmetric Property

Over Chapter 2A.m1 = 106,m2 = 74B.m1 = 74,m2 = 106C.m1 = 56,m2 = 124D.m1 = 14,m2 = 166Findm

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Tags

Elementary geometry, world example