- 問題詳情:在△ABC中,∠BAC=90°,AB=3,AC=4.AD平分∠BAC交BC於D,則BD的長為()【回答】A 知識點:勾股定理題型:選擇題...
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- 問題詳情:如下圖,CD⊥AD,CB⊥AB,AB=AD,求*:CD=CB.【回答】*:連結AC,CD⊥AD,CB⊥AB∴在Rt△ADC和Rt△ABC中∴Rt△ADC≌△Rt△ABC(HL)∴CD=CB.(本題也可用勾股定理直接*)知識點:三角形全等的判定題型:解答題...
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- 問題詳情:如圖,已知AB∥DC,AD∥BC.*:(1)AB=CD;(2)AD=BC.【回答】.略知識點:三角形全等的判定題型:解答題...
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- 問題詳情:Ad.1SpecialhouseinGlebe(S160everymonth)Replyto:Dateavailable:December9LookingforagirlstudentroommatetoshareawellsituatedhouseinGlebefornotlessthanonemonth.2minutesfromthebusstopinaquietstreet,doublelivingroometc.Givemeacallifinterested.Theroo...
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- 問題詳情:四稜錐P—ABCD中,底面ABCD為直角梯形,BC//AD,AD⊥DC,BC=CD=l,AD=2,PA=PD,E為PC的中點,F為AD的中點,平面PAD⊥底面ABCD.⑴*:平面BEF⊥平而PAD;⑵若PC與底面ABCD所成的角為,求二面角E—BF—A的餘弦值.【回答】知識點:點直線平面之間的位置題型:解答題...
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- 問題詳情:.如圖,在△ABC中,AD是中線,求*:AD<(AB+AC).【回答】*:延長AD到點E,使DE=AD,連接BE,∴AE=2AD.∵AD是中線,∴BD=CD.在△ACD和△EBD中,∴△ADC≌△EDB(SAS),∴AC=BE.在△ABE中,∵AE<AB+BE,∴2AD<AB+AC,∴AD<(AB+AC).知識點:三角形全等的判定題型:解答題...
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- Alright,solet'snowstartdoingmoreinterestingthingshellothanjustsayinghelloadnauseamtoourselves.Theprimeminister’sfavouritepronouncement,whichhelikestorepeatadnauseam,isthathisgovernmentwillnever“putitshandsinthepocketsoftheItalianpeople”....
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- That'saninterestingad.aclassifiedad[advertisement]AnadvertisercancreateanAD.So,searchisonlyonepartoftheadmarket.Thoseadduptoaround25minutesofADtime.Anad-servingplatformthatanalyzesproduct-specificshopperbehaviorandbuyerintenttodecidewhatADtoserveinr...
- 12342
- haveanaxetogrind:havepersonaladvantagestogainPortraitphotographyisapersonaladvantagesofamplification.Usetheinsideinformationforpersonaladvantageorthepersonaladvantageofothers"Tip"otherswhomaybuyorsellsecuritiesbecauseoftheinsideinformation....
- 7052
- CowansaysshehopesoneofthosedonorswillanswerherInternetad.First,thesystemmustbeabletoreade-mailmessagesandautomaticallyextractandindexinformationsuchaspropernames,Internetaddresses,streetaddresses,phonenumbers,andothersignificantdata.Second,thesystemm...
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- Thisarticleexaminesmainreasonstoleadtotheexcessinengineeringestimationduringengineeringconstruction,putsforwardswaytoreasonablyadjustengineeringestimationfromseveralaspects.Torealizepopulationandeconomysustainabledevelopment,weshouldmoderatelydevelop...
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- 問題詳情:如圖,AD⊥AE,AB⊥AC,AD=AE,AB=AC.求*:△ABD≌△ACE. 【回答】*:∵AD⊥AE,AB⊥AC,∴∠CAB=∠DAE=90°.∴∠CAB+∠CAD=∠DAE+∠CAD,即∠BAD=∠CAE.在△ABD和△ACE中,∴△ABD≌△ACE.知...
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- Amomentlatertheouterdooropened,brieflyadmittingsunlight,thenYvettewasgone.ThewindownarrativeoftheshallowlotusgreenupusesilkthreadtobrieflyadorntojoinDilotuspattern....
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- AdvaloremdutyoradvaloremtaxadvalorempropertytaxoilandgasproductionequipmentadvaloremtaxAcompoundtariffisacombinationofaspecificandanadvaloremtariff.Compounddutiesareacombinationofspecificandadvaloremduties...
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- Thisusuallyhappenstopeoplewhowereveryspirituallyadvancedintheirpreviouslives.ThispartofmewantstoprovethatI'mgoodatmeditating,thatI'mspirituallyadvanced,thatI'vereachedsomeoptimallevelofserenity.Theunlikeliestmaterials--astick,abunchofrags,aflower-...
- 26836
- 問題詳情: Ad-makerschoosewordsandbrandnamesverycarefullyinordertomakeacreativeimageoftheproducttheyare_________. A.processing B.producing C.providing D.promoting【回答】D知識點:動詞題型...
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- 問題詳情:如圖,AB=AC=AD,若AD∥BC,∠C=78°,∠D= .【回答】39°.【解答】解:∵AB=AC=AD,∴∠C=∠ABC,∠D=∠ABD,∴∠ABC=∠CBD+∠D,∵AD∥BC,∴∠CBD=∠D,∴∠ABC=∠D+∠D=2∠D,又∵∠C=∠ABC,∴∠C=2∠D.∵∠C=78°,∴∠D=39°,知識點:平行線的*質題型:填空題...
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- aclassifiedad[advertisement]Sitestodayoffermuchmorethanthetypicalprofilepictureanddescriptioninaclassifiedadlisting.Thesite'sclassifiedadsectionreadslikeabillionaire'syardsale:'Forsale--CaviarServersandHornSpoons.''ForSale$2.8millionTsavoritegem...
- 27032
- Herlocaladmirersbeatapathtoherdoor.Bylaunchinglocal-languagewebsites,teamscantailormarketingtofitanindividualcountry,drumminguplocaladvertisingandsponsorshiprevenue.Wemustdevelopindustrieswithlocaladvantagesandpropelthedevelopmentofkeyareas....
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- PresidentTheodoreRooseveltofficiallyadoptedthetermin1902.aunitofmeasurementofcapacityforliquidsofficiallyadoptedintheUnitedStatesCustomarySystem.November2,1868,timezone:NewZealandofficiallyadoptsastandardtimetobeobservednationally.aunitofmeasuremento...
- 6077
- WeseektoappropriatelyaddresstheseproblemstogetherwiththeUSthroughequalconsultationinaconstructivemanner.Withthedevelopmentofthenaturalgasindustry,theChinesegovernmentwillappropriatelyadjustitsnaturalgasinvestment,pricingandutilizationpolicies....
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- 問題詳情:如圖,AC⊥BC,AD⊥BD,AD=BC,AD,BC交於O.求*:OC=OD.【回答】知識點:三角形全等的判定題型:解答題...
- 19995
- 問題詳情:Asicklittlegirlisbeingkeptalivethankstoherbestfriend—adogwhocarriesheroxygentankonhisback.Alida’sfaithfuldogcompanionMrGibbshasbeenspeciallytrainedtoshepherdthethree-year-old,whobreathesthroughatubemostofthetime.Hefollowshercloselyassheplay...
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- 問題詳情:AD【回答】如圖8所示,光滑固定導軌M、N水平放置,兩根導體棒P、Q平行放於導軌上,形成一個閉合迴路,當一條形磁鐵從高處下落接近迴路時()A.P、Q將相互靠攏 B.P、Q將相互遠離C.磁鐵的加速度仍為g D.磁鐵的加速度小於g知識點:楞次定律題型:多項選擇...
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- Forexample,theyearAD2000isequaltotheyear2543BE.DevelopAutoCAD2000withVB;ShowingFEMStresswithAutoCAD2000VBA...
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