首页
试卷库
试题库
当前位置:
X题卡
>
所有题目
>
题目详情
如图所示,DC∥AB,∠BAD和∠ADC的平分线相交于点E,过点E的直线交DC,AB分别于点C,B.求证:AD=AB+DC.
查看本题答案
包含此试题的试卷
教案备课库《2017-2018学年度下学期七(2)年级期末模拟数学试卷》真题及答案
点击查看
你可能感兴趣的试题
如图所示在△ABC中AB=AC∠ABC.∠ACB的平分线BDCE相交于O.点且BD交AC于点D.CE
①②③
①③④
①③⑤
②③④
如图AD∥BC∠ABC的角平分线BP与∠BAD的角平分线AP相交于点P.作PE⊥AB于点E.若PE=
如图所示CD∥AB∠BAD和∠ADC的平分线相交于点E过点E的直线交DCAB分别于点CB.求证AD=
如图在△ABC中∠BAC的平分线与BC的垂直平分线PQ相交于点P.过点P.分别作PN⊥AB于N.PM
已知如图AB∥CD直线EF分别交ABCD于点E.F.∠BEF的平分线与∠DFE的平分线相交于点P..
如图所示在△ABC中AB=AC∠ABC.∠ACB的平分线BD.CE相交于O.点且BD交AC于点D.C
①②③
②③④
①③⑤
①③④
如图所示在△ABC中AB=AC∠ABC.∠ACB的平分线BDCE相交于O.点且BD交AC于点D.CE
①②③
②③④
①③⑤
①③④
如图所示在△ABC中AB=AC∠ABC.∠ACB的平分线BDCE相交于O.点且BD交AC于点D.CE
①②③
②③④
①③⑤
①③④
如图所示在△ABC中AB=AC∠ABC.∠ACB的平分线BDCE相交于O.点且BD交AC于点D.CE
①②③
②③④
①③⑤
①③④
如图所示在△ABC中AB=AC∠ABC.∠ACB的平分线BDCE相交于O.点且BD交AC于点D.CE
①②③
②③④
①③⑤
①③④
已知如图所示BF与CE相交于点D.BD=CDBF⊥AC于点F.CE⊥AB于点E.求证点D.在∠BAC
平面内四条线段ABBCCDDA首尾顺次相接∠ABC=24°∠ADC=42°.⑴∠BAD和∠BCD的角
如图已知AB∥DCAE平分∠BADCD与AE相交于点F.∠CFE=∠E.试说明AD∥BC.完成推理过
如图所示在△ABC中AB=AC∠ABC∠ACB的平分线BDCE相交于O.点且BD交AC于点D.CE交
①②③
②③④
①③⑤
①③④
如图所示在△ABC中AB=AC∠ABC.∠ACB的平分线BDCE相交于O.点且BD交AC于点D.CE
①②③
②③④
①③⑤
①③④
如图AD∥BC∠ABC的角平分线BP与∠BAD的角平分线AP相交于点P作PE⊥AB于点E.若PE=2
如图△ABC中AB=AC∠BAC和∠ACB的平分线相交于点D.∠ADC=130°求∠BAC的度数.
如图所示在△ABC中AB=AC∠ABC∠ACB的平分线BDCE相交于O.点且BD交AC于点D.CE交
①②③
②③④
①③⑤
①③④
如图所示在△ABC中AB=AC∠ABC.∠ACB的平分线BDCE相交于点O.且BD交AC于点D.CE
①②③
②③④
①③⑤
①③④
1如图所示已知△ABC中∠ABC∠ACB的平分线相交于点O.试说明∠BOC=90°+∠A.2如图所示
热门试题
更多
WhenIwasabroadIcouldhardlyavoidbuysomeproductsmadeinChina.
Whenyouarehomegivemeacalltoletmeknowyousafely.A.arrived B.havearrived C.willarrive D.arearriving
Itisknownthatwaterat100℃.Look!MumwaternowbecauseIwanttodrinkawaterboil.
In1875Mr.Belllearnedhowtosendnotesthroughaninstrumentsimilartoatelephone.music
CouldyoupleasetellmehowIgettothe LibraryCenter.
Isawawebsitelastweekanddifferentinventlistthere.
以下四边形中既是轴对称图形又是中心对称图形的是
Theteathemostpopulardrinkintheworldafterwaterwasaninventionaccident.
Mikeusedtobeatopstudentbuthebehindsincehelosthimselfincomputer.A.fell B.hasfallen C.was D.has been
如图在△ABC中AB的垂直平分线交AC于D交AB于E如果△CDB的周长=12AE=2cm则△ABC的周长为.
InEnglandteaappearedinaround1660butitbecamethenationdrinksoon.
解方程组
Myneighborissuchabrightandlivegirlthatallofuslikeherverymuch.
—JackIhaven'tseenyouforalongtime. —IShanghaionbusinessSofar. A.wentto B.havegoneto C.havebeenin D.havebeento
Thedoorlockwhenwegottothehousesoweringthebell.
MyproblemonEnglishlearningisthatIcan'tgetthe rightpronounce.
Ican'ttellthetwinsistersbecausetheyarethesameinappearancenear.
ImustreturnthecameratoLiLeinow.Iitfortwoweeks. A.havebought B.borrowed C.havekept B.borrow
若不等式有解则实数a的取值范围是
TherewasahostnamedDashanandhetaughtEnglishonTVthosedaysCanada
Twohours.Nowit'shalfelevenandit'slateatnight. A.havepassed;past B.haspast;passed C.havepast;passed D.haspassed;past
如图①②③中点ED分别是正△ABC正四边形ABCM正五边形ABCMN中以C点为顶点的相邻两边上的点且BE=CDDB交AE于P点.1求图①中∠APD的度数2图②中∠APD的度数为图③中∠APD的度数为3根据前面探索你能否将本题推广到一般的正n边形情况若能写出推广问题和结论若不能请说明理由.
Pleasedon'tputmoresaltinthesouporitwillbe salt.
Thetradehelpedtospreadtheofteaandtheteaplanttomoreplacespopular.
InordertoimprovemyEnglishIkeeponpracticespeakingitinmydaylife.
—WhynotaskTonytogotothemovieswithus? —HeShanghaionbusinessandbackintwoweeks. A.hasgoneto;comes B.hasgoneto;willbe C.hasbeento;comes D.hasbeento;willbe
—CouldyoutellmesomeinformationaboutShanghai? —Sorry.ItoShanghaisoIknownothingaboutit. A.won'ttravel B.don'ttravel C.hadn'ttraveled D.haven'ttraveled
Inmanycountriesit'soften polite toaskveryprivatequestions.
如图所示.16个相同的小正方形拼成一个正方形网格现将其中的两个小方格涂黑请你用两种不同的方法在图中再涂黑两个小方格使它成为轴对称图形.
热门题库
更多
教案备课库
高一上学期数学
高一上学期化学
教案备课库
教案备课库
教案备课库
高一上学期物理
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库