interactivestudenteditionBoydCumminsMalloyCarterFloresCopyright©2004byTheMcGraw-HillCompanies,Inc.Allrightsreserved.ExceptaspermittedundertheUnitedStatesCopyrightAct,nopartofthispublicationmaybereproducedordistributedinanyformorbyanymeans,orstoredinadatabaseorretrievalsystem,withoutpriorpermissionofthepublisher.TheUSATODAY®servicemark,USATODAYSnapshots®trademark,andothercontentfromUSATODAY®hasbeenlicensedbyUSATODAY®foruseforcertainpurposesbyGlencoe/McGraw-Hill,aDivisionofTheMcGraw-HillCompanies,Inc.TheUSATODAYSnapshots®andtheUSATODAY®articles,charts,andphotographsincorporatedhereinaresolelyforprivate,personal,andnoncommercialuse.TheGeometer’sSketchpad®isaregisteredtrademarkofKeyCurriculumPress.Sendallinquiriesto:Glencoe/McGraw-Hill8787OrionPlaceColumbus,OH43240-4027ISBN:0-07-860173-8PrintedintheUnitedStatesofAmerica.12345678910055/07112111009080706050403TheStandardizedTestPracticefeaturesinthisbookwerealignedandverifiedbyThePrincetonReview,thenation’sleaderintestpreparation.ThroughitsassociationwithMcGraw-Hill,ThePrincetonReviewoffersthebestwaytohelpstudentsexcelonstandardizedassessments.ThePrincetonReviewisnotaffiliatedwithPrincetonUniversityorEducationalTestingService.iiiContentsinBriefUnitLinesandAngles........................................................................2Chapter1Points,Lines,Planes,andAngles...........................4Chapter2ReasoningandProof...............................................60Chapter3ParallelandPerpendicularLines.......................124UnitTriangles........................................................................................174Chapter4CongruentTriangles..............................................176Chapter5RelationshipsinTriangles....................................234Chapter6ProportionsandSimiliarity.................................280Chapter7RightTrianglesandTrigonometry.....................340UnitQuadrilateralsandCircles...............................................400Chapter8Quadrilaterals..........
