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,AB为⊙O的直径,AD平分∠CAB,AC⊥CD,垂足为C. (1)判断CD与⊙O的位置关系,并说明理由; (2)求证:∠CDA=∠AED.
查看本题答案
包含此试题的试卷
教案备课库《2017-2018学年重庆市江津区九年级(上)期末数学试卷》真题及答案
点击查看
你可能感兴趣的试题
如图已知AB是⊙O.的直径直线CD与⊙O.相切于点C.AC平分∠DAB.1求证AD⊥DC2若AD=2
如图所示AB//CDO.为∠A.∠C.的平分线的交点OE⊥AC于E.且OE=2则AB与CD之间的距离
已知⊙O.的直径为10点A.点B.点C.在⊙O.上∠CAB的平分线交⊙O.于点D.Ⅰ如图①若BC为⊙
如图AB为⊙O.的直径点C.为半圆上一点AD平分∠CAB交⊙O.于点D.连接OD.1求证OD//AC
如图所示AB是⊙O的直径点C在⊙O上AC平分∠DABAD⊥CD.求证CD与⊙O相切.
△ABC内接于⊙O.中AD平分∠BAC交⊙O于D.1如图1连接BDCD求证:BD=CD2如图2若BC
如图AB为⊙O.的直径点C.在⊙O.上AD⊥CD于点D.且AC平分∠DAB求证1直线DC是⊙O.的切
如图已知AB是⊙O的直径直线CD与⊙O相切于点C.过A.作AD⊥CDD.为垂足1求证AC平分∠DAB
如图AB是⊙O的直径CD是⊙O的弦连接ACAD若∠CAB=35°则∠ADC的度数为度.
如图AB是⊙O.的直径C.是⊙O.上一点AC平分∠BADAD⊥CD垂足为D.1求证CD是⊙O.的切线
已知如图AB是圆O.的直径CD为弦连AD.AC∠CAB=55°则∠D.=
55°
50°
35°
45°
如图AB是半圆O.直径半径OC⊥AB连接AC∠CAB的平分线AD交OC于点E.交于点D.连接CD.O
①②
①③
②③
①②③
已知⊙O.的直径为10点A.点B.点C.在⊙O.上∠CAB的平分线交⊙O.于点D.如图若BC为⊙O.
已知⊙O.的直径为10点A.点B.点C.在⊙O.上∠CAB的平分线交⊙O.于点D.Ⅰ如图①若BC为⊙
如图所示△ABC中∠C=90°AC=BCAD平分∠CAB交BC于D.点DE⊥AB于E.点且AB=60
如图△ABC内接于⊙OAB为⊙O的直径∠CAB=60°弦AD平分∠CAB.若AD=6则AC=.
如图所示已知AB为⊙O.的直径AC为弦直线l经过点C.AC平分∠BAD且AD⊥l于点D.求证l为⊙O
如图AB是半圆O.的直径AC=ADOC=2∠CAB=30°则点O.到CD的距离OE=______.
已知⊙O.的直径为10点A.点B.点C.在⊙O.上∠CAB的平分线交⊙O.于点D.Ⅰ如图①若BC为⊙
如图A.B.为⊙O.上的点AC是弦CD是⊙O.的切线C.为切点AD⊥CD于点D.若AC为∠BAD的平
热门试题
更多
拍照
Thethiefthecarfromthebusinessmanandleftquickly.steal
AterribletrafficdisasterinAmericatwomonthsago.avoid
Itismyptomakeahouse.
据说有一个叫神农的中国统治者最早发现了茶可以饮用. thataChinese ShenNongwasthe teaasadrink.
Thecarbythepolicemanbecausethedriverwasdrunk喝醉的.A.stoppedB.wasstoppedC.werestoppedD.stops
Whenknowledgewithyourinterestseverythingwillbecomeeasy.connect
Thebookyouorderedonlinetoyouassoonasyourmoneyreachesus. A.willsend B.willbesent C.hassent D.issent
ChangchunLivonExperimentalSchoolforitsexcellentteachingandteachers.admire
把书翻译成不同语言
NickwasquiteandIlikedthatabouthim.Hebroughttonsofjoytous.humor
Thewell-knownbookhasbeentintodifferentlanguages.
Helookeddownonthegroundtoavoidhereyes.meet
Thetelephonebythewell-knownscientistAlexanderGrahamBell.A.invented B.inventing C.wasinvented D.invent
靠电工作
Doyouknowthatteaisantheinvention?
Pleasetellmewhatlastyear. A.wheredoesyoursisterwork B.wheredidyoursisterwork C.whereyoursisterworks D.whereyoursisterworked
叫神农的中国统治者
谈论发明的历史
Chinesegovernmentpaysmoreattentiontoprotectiontheseyears.environment
Englishisused asecondlanguagemanycountries.A.as;by B.as;in C.for;by D.by;for
Inothearfrommyuncleforalongtime.
—Thepartywaswonderful.Thankyouforinvitingme.— I'mgladyouenjoyedit.A.Don'tmentionit. B.Don'tworry. C.Don'tthankme. D.Don'tyouthink?
你说的似乎确实有道理.Youdoseemto.
ElevenChinesefilmsduringthe7thChineseFilmFestivalinFrancelastmonth.A.showed B.areshown C.wereshown D.willbeshown
TheteatfromChinatoWesterncountriestookplaceinthe19th.
Theknifeisusedcutting. A.for B.as C.by D./
Weneedetolive.
Whowerethezippersinvented? A.by B.for C.with D.at
Theproblembeforemymothercamebackhome.deal
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
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