Geometry 3.3 Homework

ID: A1Geometry 3.1-3.3 WorksheetAnswer Section1. Skew lines are lines that do not intersect and do not lie in the same plane.2. Exactly one3. Sketches vary.4. False; parallel lines never intersect.5. Sample answer: AB→←and BC→, AB→and AD→, FG→and GH→, EC→and EC→6. If two lines never intersect, then they are parallel.FalseCounterexample: Two skew lines never intersect, but they are not in the same plane and therefore are not parallel.7. D8. B9. Answers vary.Check art. Drawings should demonstrate that if two parallel lines are cut by a transversal, then the pairs of alternate interior angles are congruent.10. False11. True12. 42°13. 96°14. StatementsReasons1.qÄr;transversalt1. Given2.m∠2=m∠4,m∠7=m∠52. Verticalangles are = in measure.3.∠4 and∠5 are supplementary.3. If two || lines are intersected by a transversal,then consecutive interior angles are supplementary.4.m∠4+m∠5=180o4. Defintion of supplementary angles5.m∠2+m∠7=180o5. Substitution property (Steps 2 and 4)

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Author: Smith, Johnny one
Title: Short
Publisher: Smity and smatty
Features: Free
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