首页
试卷库
试题库
当前位置:
X题卡
>
所有题目
>
题目详情
在ABCD中,AC交BD于O,则AO=OB=OC=OD. (判断题)
查看本题答案
包含此试题的试卷
教案备课库《八(1)年级数学作业平行四边形的性质作业》真题及答案
点击查看
你可能感兴趣的试题
如图在平行四边形ABCD中对角线ACBD交于点O经过点O的直线交AB于E交CD于F.求证OE=OF.
已知如图E.为□ABCD中DC边的延长线上的一点且CE=DC连结AE分别交BCBD于点F.G.连结A
如图在梯形ABCD中AB=2CD=3AC交BD于O点过O作AB的平行线交BC于E点连结DE交AC于F
2/3
5/6
6/11
16/25
如图在周长为10cm的□ABCD中AB≠ADACBD相交于点O.OE⊥BD交AD于点E.连接BE则△
已知▱ABCD中AC.BD交于点O..下列结论中不一定成立的是
▱ABCD关于点O.对称
OA=OC
AC=BD
∠B.=∠D.
如图13□ABCD中ACBD交于O.OE⊥BD交BC于E.若△CDE的周长为10则□ABCD的周长为
如图菱形ABCD中AC交BD于O.DE⊥BC于E.连接OE若∠ABC=140º则∠OED=.
在□ABCD中AC⊥BD相交于O.AC=6BD=8则AB=________BC=_________.
如图8在□ABCD中对角线AC与BD相交于点O.∠CAB=∠ACB过点B.作BE⊥AB交AC于点E.
如图在周长为20cm的□ABCD中AB≠ADACBD相交于点O.OE⊥BD交AD于E.则△ABE的周
如图在梯形ABCD中AB=2CD=3AC交BD于O点过O作AB的平行线交BC于E点连结DE交AC于F
2/3
5/6
6/11
16/25
如图13□ABCD中ACBD交于O.OE⊥BD交BC于E.若△CDE的周长为10则□ABCD的周长为
如3在周长为20cm的□ABCD中AB≠ADAC.BD相较于点O.OE⊥BD交AD于E.则ΔABE的
4cm,
6cm
8cm
10cm
如图在周长为20cm的平行四边形ABCD中AB≠AD对角线ACBD相交于点O.OE⊥BD交AD于E.
如图已知正方形ABCD的边长为1连接ACBD相交于点OCE平分∠ACD交BD于点E.则DE=.
▱ABCD中AC交BD于点O再添加一个条件仍不能判定四边形ABCD是矩形的是
AB=AD
OA=OB
AC=BD
DC⊥BC
矩形ABCD中AC交BD于O.点已知AC=2AB∠AOD=__________°.
▱ABCD中AC交BD于点O再添加一个条件仍不能判定四边形ABCD是矩形的是
AB=AD
OA=OB
AC=BD
DC⊥BC
如图在口ABCD中AB≠ADACBD相交于点O.OE⊥BD交AB于E.若△ADE的周长为16cm则口
如图在□ABCD中对角线AC与BD相交于点O.过点O.作EF⊥AC交BC于点E.交AD于点F.连接A
梯形
矩形
菱形
正方形
热门试题
更多
Ioftenexpectmyparentsgivemesomenewbooksaspresents.
Therearequiteafewpassengeronthebustothetrainstation.
Myparentswantmemilkeveryday. A.todrink B.drink C.drinking D.drank
Iregrettalkingtomymomthismorningwhichmadehersad.
Yesterdaymorningamansatonthegroundandhelp.A.shoutedat B.shoutedto C.shoutedout D.shoutedfor
PeoplewhodrinkwinetodriveafterMayDay.A.don'tallowB.isn'tallowedC.mustn'tallowD.mustn'tbeallowed
BusNo.306anoldmanonRenminRoadyesterdayluckilyhewasnotbadlyhurt.
ThedoctoristakingTom’stemperatureit’sover38℃heseemstohavea.
toMr.Wangandthepassengerstheoldmanwassavedatlast.
Ithinkteenagersbeallowedtosmokebecauseit'sbadfortheirhealth.A.don't;shouldn't B./;should C.don't;should D./;shouldn't
—Mymotherhasgotabadcold.Shehastogotohospital. —.A.Itdoesn’tmatter B.Don'tworryC.Yesshehastoseeadoctor D.I’msorrytohearthat
MyfatheroftendrivestoworkbutIlikegoingtoschoolon.
It'srainingheavilyoutside.Ididn'ttakeanumbrellasoIhavenobuttowait.
IwaswalkingalongtheroadwhenIsawadoglieonthesideoftheroadyesterday.
SinceIamateenIlearntomakemyown decide.
Althoughheeatshedoesn’tlook. A.well;well B.good;good C.well;good D.good;well
Whataday!Ifeelreally. A.tiring;tiring B.tired;tired C.tiring;tired D.tired;tiring
Sixteen-year-oldsshouldtogotoanInternetbar. A.benotallowed B.notbeallowed C.beallowed D.notallowed
Thefailurewascausedbythebad manage.
Nancywantstogetherears piercebutherparentsdon'tallowhertodoso.
WhereverwegowecanseethesignNo smokeonthewall.
Lilydoesn'tlookwellherfacelooksabitredandsheoftencoughsmaybeshehasabad.
Ineedtohavemycar howmuchdoesitcost?A.washed B.wash C.washing D.towash
LeiFengoftenthinksaboutothersandhardlythinksabouthe.
MyfathercoughlastnightIthinkheshouldgotoseethedoctor.
Shehadagoodofwinninginthecompetition.Butshedidn'ttakeit.
Idon'tthinkteenagersshouldbeallowedtodrivebecausetheyarenot .A.enoughserious B.seriousenough C.seriouslyenough D.enoughseriously
“Idon’tfeel” A.good B.well C.illness D.sadly
It'ssaidthathugisawaytomakeoursoulandmindrelaxedandit'samethodtoreduceourpressure.
IfyouhurtyourlegyoushouldgotothehospitalandgetX-ray.A.a B.an C.the D.X
热门题库
更多
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
高一下学期数学
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