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,BD是∠ABC的角平分线,AD⊥AB,AD=3,BC=5,则△BCD的面积为( )
查看本题答案
包含此试题的试卷
教案备课库《七(2)年级暑假数学作业(八)》真题及答案
点击查看
你可能感兴趣的试题
如图在△ABC中∠C.=90°AD是角平分线DE⊥AB于E.且DE=3cmBD=5cm则BC=___
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△ABC中∠B.=90°AB=BCAD是△ABC的角平分线若BD=1求DC的长.
如图AD是△ABC的角平分线则ABAC等于
BD:CD
AD:CD
BC:AD
BC:AC
如图在△ABC中∠C.=90°AD是∠BAC的角平分线若BC=5㎝BD=3㎝则点D.到AB的距离为.
如图在△ABC中AB=AC∠BAC的角平分线交BC边于点D.AB=5BC=6则AD=.
如图已知AD是△ABC的角平分线AD的垂直平分线交AB于E.交BC的延长线于F.求证1∠FAC=∠B
如图已知BD是△ABC的角平分线ED是BC的垂直平分线∠BAC=90°AD=3则CE的长为
6
5
4
3
等腰三角形ABC中AB=ACAD是角平分线则①AD⊥BC②BD=DC③∠B=∠C④∠BAD=∠CAD
4
3
2
1
如图在△ABC中AB=AC∠
=36°,AB的垂直平分线交AC于D.,交AB于E.,给出下列结论:①∠C.=72°;②BD是∠ABC的平分线;③BC=AD;④△ADE是等腰三角形.其中正确的结论有( ) A.①②③
②③④
①②④
①③④
如图在△ABC中∠C.=90°AD是∠BAC的角平分线若BC=5㎝BD=3㎝则点D.到AB的距离DE
如图所示在△ABC中∠C=90°AD是∠BAC的角平分线看AB=10BC=8BD=5则△ABC的面积
已知如图△ABC中AB=ACAD是∠EAF的角平分线BE=CF则下列说法正确的有几个1AD平分∠ED
1个
2个
3个
4个
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
已知如图△ABC中AB=ACAD是角平分线BE=CF则下列说法正确的有1AD平分∠EDF2△EBD≌
)1个 (
)2个 (
)3个 (
)4个
在Rt△ABC中∠C.=90°AD是角平分线若BC=10BD∶CD=3∶2则点D.到AB的距离是
4
6
8
10
如图Rt△ABC中∠C.=90ºBD是角平分线DE⊥AB垂足为E.BC=6CD=3AE=4则DE=_
在⊿ABC中∠C.=90角平分线AD分对边BC为BD︰DC=3︰2且BC=10cm则点D.到AB的距
如图在△ABC中∠C.=90°AD是∠BAC的角平分线若BC=5㎝BD=3㎝则点D.到AB的距离DE
如图2已知四边形ABCD中AD∥BC若∠DAB的角平分线AE交CD于E.连接BE且BE恰好平分∠AB
AB>AD+BC
AB=AD+B
C.AB<AD+BC
无法确定
热门试题
更多
Theconcertcbyafamousmusicianisagreatsuccess.
Thefallingofthenewbuildingitssoftbasecausing1deathandover20injuries. A.resultedin B.sufferedfrom C.ledto D.resultedfrom
Startingyourownbusinesscouldbeawaytoachievingfinancialindependence.itcouldjustputyouindebt. A.Inotherwords B.Allinall C.Asaresult D.Ontheotherhand
填报高考志愿时一名考生通过信息搜集列出三所理想大学中自己感兴趣的专业具体情况如下 1若该考生计划在这些专业中选择一个那么他共有多少种选择 2若该考生计划在ABC三所大学中各选出一个专业作为备选共有多少种方案 3若该考生想在这些专业中挑出三个作为第一第二第三选择共有多少种方案 4若该考生计划在ABC三所大学中各选出一个专业作为自己的第一第二第三选择共有多少种方案
0.5分Chinawillbea_____countryinthemiddleofthenextcentury.
0.5分Whichofthefollowingsentencesiswrong
假如英语课上老师要求同桌之间交换修改作文请你修改你同桌的以下作文.文中共有10处错误每句中最多有两处.错误涉及单词的增加删除或修改. 增加在缺词处加一个漏词符号∧并在此符号下面写出该加的词. 删除把多余的词用斜线\划掉. 修改在错词下面划一横线并在该词下面写出修改后的词. 注意1每处错误及其修改均仅限一词 2只允许修改10处多者从第11处不计分 YesterdaymorningIwassurprisingtohearthatmybestfriendAlleehasbeenhitbyacarandwasinhospital.Theotherdaywhenhewasgoingtocrossastreethewassuchcarefulthathedidn'tgountilhesawthetrafficlighttoturngreen.Buthardlyhadhegottothemiddleofthestreetwhilehesawacarsuddenlyappearonhisright﹣handsideandcomedirectlytowardsthem.ItwastoolateforAlleetoescape.Hewashitbythecarorwasthrownafewmetersaway.Hewassenttothenearesthospitalimmediatelyandhadoperation.WhenIwenttoseehimhewasoutofdangersbutstilllookedpale.Isincerehopehewillrecoverandreturntonormalassoonaspossible.
0.5分Mr.Smithaskedtheboyaquestion________hecouldgototheconcertwithhim.
A全国性的goodharvestsoonbroughtdownthepriceofrice.
0.5分Wehavelearnt________twothousandEnglishwords.
hashelpedtoprotecttheenvironmentisworthpraising.A.Who B.Theone C.Anyone D.Whoever
请修改下面的短文.短文中共有10处语言错误每句中最多有两处.错误涉及一个单词的增加删除或修改. 增加在缺词处加一个漏字符号∧并在其下面写出该加的词. 删除把多余的词用斜线\划掉. 修改在错的词下划一横线并在该词下面写出修改后的词. 注意1.每处错误及其修改均仅限一词2.只允许修改10处多者从第11处起不计分. Itiswell﹣knownthatgoodhabitsdousgoodallourlife.EnteredhighschoolItookdelightinhavingfastfoodandofteneattoomuch.IntheendIwassoseriousoverweightthatIsufferedalotfrommyawkwardappearance.Itmademattersworsewasthefactthatmyclassmatesmadeafunofmeattimes.FromnowonImadeupmymindtoavoidingsnacks.InthemeanwhileItookoffjoggingtoloseweight.TomysurpriseitwasnotlonguntilIdidsucceedincreatingmynewappearance.OnlythenIstarttoappreciatetheimportanceofdevelopingagoodhabit.
文中共有10处语言错误每句中最多有两处每处错误仅涉及一个单词的增加删除或修改. 增加在缺词处加一个漏字符号^并在其下面写出该加的词. 删除把多余的词用斜线\划掉. 修改在错词下划一横线并在该词下面写出修改后的词. 注意1.每处错误及其修改均限一词. 2.只允许修改10处多者从第11处起不计分. OnerainydaywhileIwaswalkinghomewithoneofmyfriendatruckcametoastopbesidesus.Thedriverputthewindowdownandofferedusaumbrellabecausehefoundwewerewetthrough.Istoodthereandcouldn'tbelieveinthatacompletestrangerissothoughtful.ThemaninsistedsoIgratefulacceptedtheofferthankedhimandwatchedthetruckdisappeardowntheroad.Thismanmightneedtheumbrellahimselfandhepreferredtogiveittoeveryoneelse.Itwasalessontousthatitwaspossiblegivewithoutexpectanythinginreturn.
假设英语课上老师要求同桌之间互换修改作文请修改你同桌的以下作文.文中共有10处语言错误每句中最多有两处每处错误仅涉及一个单词的增加删除或修改. 增加在缺词处加一个漏字符号^并在其下面写出该加的词. 删除把多余的词用斜线\划掉. 修改在错词下划一横线并在该词下面写出修改后的词. 注意1.每处错误及其修改均限一词. 2.只允许修改10处多者从第11处起不计分. Lastweekendwegomountainclimbing.Eventheheavyraininthemorningcouldnotpreventusgoing.Setoffveryearlywewentalonganextremenarrowroadallinhighspirits.Oneverysideoftheroadwasgreenfieldsandsomefarmhouses.Wecouldhearthesoundoftherainandourfootstepsmixingwithourlaughter.Atnoonwereachedthetopofthemountain.Thatsurprisedusmosttherewasthebeautyofscenes.Afterhavingshortrestthereandsharingwiththefoodwehadbroughtwestartedgoingdown.Itrainedevenharder.Wewerewettotheskinandwestillsangandlaughedhappily.
Thiswallisawar纪念碑andithasthenamesofeveryonewhodiedinthewar.
要从甲乙丙3幅不同的画中选出2幅分别挂在左右两边墙上的指定位置共有多少种不同的挂法
10.00分假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下作文.文中共有10处错误每句中最多有两处.错误涉及一个单词的增加删除或修改. 删除把多余的词用斜线\划掉. 修改在错的词下画一横线并在该词下面写出修改后的词. 注意1.每处错误及其修改均仅限一词 2.只允许修改10处多者从第11处起不计分. LiMingwenttotheparkinlastSaturdayafternoonafterhehadalreadyfinishedhishomeworks.Hesawseveralboysskatinginthepondhappily.Suddenlyheheardacryforhelp.Lookedaheadhefoundoneoftheboyshadfellintothewater.LiMingjumpedintotheicywaterimmediatelyandtriedtopulltheboytosafe.Thentheboywasgivenfirstaidbutsooncametomyself.Theboy'sparentscamesoonaftertheyreceivedthephonecall.TheywereverygratefulLiMingwhowastremblingtherewithcold.
MylaptopcomputerIcan'tgoonwithmyworkbrokedowntheotherday. A.which B.that C.withoutwhich D.forwhich
MountVesuviushasn't爆发formanyyears.
Tomarrivedlateandmissedtheassembly.Hethetraffictobesoheavy. A.hadn'texpected B.wouldn'texpect C.haven'texpected D.wasn'texpecting
Thelittleboydoesnothavetheitotellrightfromwrong.
CouldyoutellmehowyouusuallyThanksgivingDayinyourcountry. A.pass B.reach C.congratulate D.observe
Citizenshavefree使用…的机会权利tothelibrary.
0.5分Policehavefound____appearstobethelostancientstatue.
Whatweexpectfromyouisworkinghardhardlyworking. A.lessthan B.ratherthan C.aswellas D.asmuchas
Whendidyoufindthewallet ItwasatnoonIplayedfootballontheplayground. A.that B.when C.then D.which
Themaninsistedthathewasiandthathewasasstraightasanarrow.
Christinewasoneofmybestfriendathighschool.Atthattimeweoftenspendtimetogether.ThanksforherhelpImadeagreatprogressinmystudy.Lastyearshedecidedtogoabroadforfartherstudy.Inanotherwordswewouldbeseparatedforalongtimethatmademealittlesad.BeforeherleavingoffIpreparedagifttoshowmybestwishestohim.Shesaiditwasthebestgiftshehaseverhad.Eversincethenwehavekeptintouchwitheachotherthroughemails.Ilookforwardtoseeheragaininthenearfuture.
电子元件很容易实现电路的通与断电位的高与低两种状态而这也是最容易控制的两种状态因此计算机内部采用了每一位只有0或1两种数字的记数法即二进制为了使计算机能够识别字符需要对字符进行编码每个字符可以用一个或多个字节来表示其中字节是计算机中数据存储的最小计量单位每个字节由8个二进制位构成问 1一个字节8位最多可以表示多少个不同的字符 2计算机汉字国际码GB码包含了6763个汉字一个汉字为一个字符要对这些汉字进行编码每个汉字至少要用多少个字节表示
下面短文中有10处语言错误.请在有错误的地方增加删除或修改某个单词. 增加在缺词处加一个漏字符号∧并在其下面写上该加的词. 删除把多余的词用斜线\划掉. 修改在错的词下划一横线并在该词下面写上修改后的词. 注意1.每处错误及其修改均仅限一词 2.只允许修改10处多者从第11处起不计分. Althoughallthestudentsseemveryhappilyatourschoolbutthebuildingswouldbemorebeautifuliftheschoolcoulddecorated.Westudentsthoughttheschoollookslikeadesertandtheconcretewallslikethegreyskyinarainyday.Wewouldbemuchhappierandbeabletostudybetteriftherearethenumberofpostersphotosandpaintingsonthewallthatcouldcertainlybroadenourhorizonsandenrichourlives.Originalartworkaretooexpensivebutunlesswebuyartpostersthecostwillbelow.Usingonlyalittlemoneyitcanmakeourschoolanicerplace.
热门题库
更多
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
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