相關AC4.AD的文學知識

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...

AdvaloremdutyoradvaloremtaxadvalorempropertytaxoilandgasproductionequipmentadvaloremtaxAcompoundtariffisacombinationofaspecificandanadvaloremtariff.Compounddutiesareacombinationofspecificandadvaloremd...

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...

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PresidentTheodoreRooseveltofficiallyadoptedthetermin1902.aunitofmeasurementofcapacityforliquidsofficiallyadoptedintheUnitedStatesCustomarySystem.November2,1868,timezone:NewZealandofficiallyadoptsastan...

That'saninterestingad.aclassifiedad[advertisement]AnadvertisercancreateanAD.So,searchisonlyonepartoftheadmarket.Thoseadduptoaround25minutesofADtime.Anad-servingplatformthatanalyzesproduct-specificsho...

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...

Amomentlatertheouterdooropened,brieflyadmittingsunlight,thenYvettewasgone.ThewindownarrativeoftheshallowlotusgreenupusesilkthreadtobrieflyadorntojoinDilotuspattern....

haveanaxetogrind:havepersonaladvantagestogainPortraitphotographyisapersonaladvantagesofamplification.Usetheinsideinformationforpersonaladvantageorthepersonaladvantageofothers"Tip"otherswhomaybuyorse...

Herlocaladmirersbeatapathtoherdoor.Bylaunchinglocal-languagewebsites,teamscantailormarketingtofitanindividualcountry,drumminguplocaladvertisingandsponsorshiprevenue.Wemustdevelopindustrieswithlocaladv...

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...

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...

WeseektoappropriatelyaddresstheseproblemstogetherwiththeUSthroughequalconsultationinaconstructivemanner.Withthedevelopmentofthenaturalgasindustry,theChinesegovernmentwillappropriatelyadjustitsnaturalg...

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...

Alright,solet'snowstartdoingmoreinterestingthingshellothanjustsayinghelloadnauseamtoourselves.Theprimeminister’sfavouritepronouncement,whichhelikestorepeatadnauseam,isthathisgovernmentwillnever“put...

Thisarticleexaminesmainreasonstoleadtotheexcessinengineeringestimationduringengineeringconstruction,putsforwardswaytoreasonablyadjustengineeringestimationfromseveralaspects.Torealizepopulationandecono...

問題詳情：Ad.1SpecialhouseinGlebe(S160everymonth)Replyto:Dateavailable:December9LookingforagirlstudentroommatetoshareawellsituatedhouseinGlebefornotlessthanonemonth.2minutesfromthebusstopinaquietstreet,...

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...

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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＋∠...

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+...

Forexample,theyearAD2000isequaltotheyear2543BE.DevelopAutoCAD2000withVB;ShowingFEMStresswithAutoCAD2000VBA...

問題詳情： Ad-makerschoosewordsandbrandnamesverycarefullyinordertomakeacreativeimageoftheproducttheyare_________.      A.processing       B.producing            C.providing  ...

問題詳情：Asicklittlegirlisbeingkeptalivethankstoherbestfriend—adogwhocarriesheroxygentankonhisback.Alida’sfaithfuldogcompanionMrGibbshasbeenspeciallytrainedtoshepherdthethree-year-old,whobreathesthro...