美国加州教材 Glencoe Mathematics Geometry.pdf

interactivestudenteditionBoyd Cummins MalloyCarter FloresCopyright 2004 by The McGraw-Hill Companies,Inc.All rights reserved.Except as permitted under the United States Copyright Act,no part of thispublication may be reproduced or distributed in any form or by anymeans,or stored in a database or retrieval system,without priorpermission of the publisher.The USA TODAYservice mark,USA TODAY Snapshotstrademark,and other content from USA TODAYhas been licensed by USA TODAYfor use for certain purposes by Glencoe/McGraw-Hill,a Division of The McGraw-Hill Companies,Inc.The USA TODAY Snapshotsand theUSA TODAYarticles,charts,and photographs incorporated herein aresolely for private,personal,and noncommercial use.The Geometers Sketchpadis a registered trademark of Key CurriculumPress.Send all inquiries to:Glencoe/McGraw-Hill8787 Orion PlaceColumbus,OH 43240-4027ISBN:0-07-860173-8Printed in the United States of America.1 2 3 4 5 6 7 8 9 10 055/071 12 11 10 09 08 07 06 05 04 03The Standardized Test Practice features in this book were aligned and verified by The Princeton Review,the nations leader in test preparation.Through its associationwith McGraw-Hill,The Princeton Review offers the best way to help students excelon standardized assessments.The Princeton Review is not affiliated with Princeton University or Educational Testing Service.iiiContents in BriefUnit Lines and Angles.2Chapter 1Points,Lines,Planes,and Angles.4Chapter 2Reasoning and Proof.60Chapter 3Parallel and Perpendicular Lines.124Unit Triangles.174Chapter 4Congruent Triangles.176Chapter 5Relationships in Triangles.234Chapter 6Proportions and Similiarity.280Chapter 7Right Triangles and Trigonometry.340Unit Quadrilaterals and Circles.400Chapter 8Quadrilaterals.402Chapter 9Transformations.460Chapter 10Circles.520Unit Area and Volume.590Chapter 11Areas of Polygons and Circles.592Chapter 12Surface Area.634Chapter 13Volume.686ivCindy J.BoydMathematics TeacherAlbilene High SchoolAbilene,TexasCarol MalloyAssociate Professor,MathEducationThe University of NorthCarolina at Chapel HillChapel Hill,North CarolinaJohn CarterDirector of MathematicsAdlai E.Stevenson HighSchoolLincolnshire,IllinoisAlfinio Flores,Ph.D.ProfessorArizona State UniversityTempe,ArizonaContributing AuthorsDinah ZikeEducational ConsultantDinah-Might Activities,Inc.San Antonio,TXUSA TODAYThe USA TODAY Snapshots,created byUSA TODAY,help students make the connection between real life and mathematics.Jerry CumminsPast PresidentNational Council ofSupervisors ofMathematics(NCSM)Western Springs,IllinoisAuthorsvContent ConsultantsEach of the Content Consultants reviewed every chapter and gavesuggestions for improving the effectiveness of the mathematicsinstruction.Ruth M.CaseyMathematics Teacher/Department ChairAnderson County High SchoolLawrenceburg,KYGilbert CuevasProfessor of Mathematics EducationUniversity of MiamiCoral Gables,FLAlan G.FosterFormer Mathematics Department ChairAddison Trail High SchoolAddison,ILLinda M.HayekCurriculum FacilitatorRalston Public SchoolsOmaha,NEBerchie HollidayEducational ConsultantSilver Spring,MDJoseph KavanaughAcademic Head for MathematicsScotia-Glenville Senior High SchoolScotia,NYYvonne Medina MojicaMathematics CoachVerdugo Hills High School,Los AngelesUnified School DistrictTujunga,CATeacher ReviewersEach Teacher Reviewer reviewed at least two chapters of theStudent Edition,giving feedback and suggestions for improvingthe effectiveness of the mathematics instruction.Liza AllenMath TeacherConway High School West Conway,ARMolly M.AndayaMathematics TeacherEllensburg H.S.Ellensburg,WADavid J.ArmstrongMathematics FacilitatorHuntington Beach UHSDHuntington Beach,CAJerry C.BencivengaConsultantConnecticut VTSSConnecticut SDEMiddletown,CTPatrick M.BlakeMath Department ChairpersonRitenour H.S.St.Louis,MODonna L.BurnsMath Department ChairpersonLos Angeles H.S.Los Angeles,CANita CarpenterMathematics TeacherOkemos H.S.Okemos,MI Vincent CirauloSupervisor of MathematicsJ.P.Stevens H.S.Edison,NJKeitha ClevelandMathematics TeacherE.S.Aiken Optional SchoolAlexandria,LAJanice Garner CofferMath Department ChairpersonPage H.S.Greensboro,NCKaryn S.CumminsMathematics Department HeadFranklin Central H.S.Indianapolis,INChristine B.DenardoMath Teacher and Department ChairBlacksburg H.S.Blacksburg,VAJoseph N.Di CioccioMathematics Teacher/DepartmentChairMahopac H.S.Mahopac,NYRobert A.Di Dio,M.S.Ed.,P.D.Assistant PrincipalIS 192XBronx,NYJames S.EmeryGeometry TeacherBeaverton H.S.Beaverton,MIContent ConsultantsTeacher ReviewersviNancy S.FallsMath Department Chair/Geometry TeacherNorthern York County H.S.Dillsburg,PAJane FasulloRetired High School TeacherWard Melville H.S.E.Setauket,NYSusan FischbeinMath Department ChairDesert Mountain H.S.Scottsdale,AZDolores FischerMathematics TeacherAdlai E.Stevenson H.S.Lincolnshire,IL Joyce E.FisherMath TeacherLa Cueva H.S.Albuquerque,NMCandace FrewinTeacher on Special AssignmentPinellas County SchoolsLargo,FLKaren L.GeorgeMath TeacherTaunton H.S.Taunton,M