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,在△ABC中,点D、E分别在AB、AC上,DE∥BC,若S△ADE=2,S△CDE=3,则S△ADE:S△ABC= .
查看本题答案
包含此试题的试卷
教案备课库《》真题及答案
点击查看
你可能感兴趣的试题
如图1在△ABC中点D.E.Q.分别在ABACBC上且DE∥BCAQ交DE于点P.1求证DP:BQ=
如图在△ABC中∠C.=90°BC=6DE分别在ABAC上将△ABC沿DE折叠使点
落在点A.′处,若A.′为CE的中点,则折痕DE的长为( )
A.
2
3
4
如图点D.E.分别在ABAC上且∠ABC=∠AED.若DE=4AE=5BC=8则AB的长为_____
如图已知△ABC中AB=AC∠BAC=90°点D.为BC的中点点E.F.分别在直线ABAC上运动且始
在△ABC中点D.E.分别在边ABAC上CD平分∠ACBDE∥BC.如果AC=10AE=4那么BC=
如图△ABC中D.E.分别在ABAC上DE∥BCAD:AB=13则△ADE与△ABC的面积之比为
如图在△ABC中点D.E.F.分别在ABACBC上DE∥BCEF//AB.若AB=8BD=3BF=4
如图在△ABC中D.E.两点分别在边ACAB上AB=ACBC=BDAD=DE=BE求∠A.的度数.
已知点D.E分别在△ABC的边AB.AC上下列给出的条件中不能判定DE∥BC的是A.BDAB=CEA
如图在ΔABC中点D.E分别在ABAC边上DE∥BC若AD∶AB=3∶4AE=6则AC=_____.
已知点D.E.分别在△ABC的边AB.AC上下列给出的条件中不能判定DE∥B.C.的是
)BD︰AB = CE︰AC; (
)DE︰BC = AB︰AD; (
)AB︰AC = AD︰AE; (
)AD︰DB = AE︰EC.
在△ABC中点D.E分别在边AB.AC上联结DE那么下列条件中不能判断△ADE和△ABC相似的是
DE∥BC
∠AED=∠B
AE:AD=AB:AC
AE:DE=AC:BC
如图在△ABC中点D.E分别在ABAC边上DE∥BC若AD=8BD=2DE=6则BC的长为.
在△ABC中点D.E.分别在ABAC边上如果DE∥BCAD=1AB=3DE=2那么BC=.
在△ABC中点D.E.分别在ABAC边上如果DE//BCAD=1AB=3DE=2那么BC=_____
如图△ABC中点D.E.分别在边ABBC上DE//AC若DB=4DA=2BE=3则EC=.
如图等边三角形ABC中AB=3点DE分别在ABAC上且DE∥BC沿直线DE折叠△ABC当点A的对应点
如图在△ABC中点D.E.F.分别在ABACBC上DE∥BCEF//AB.若AB=8BD=3BF=4
在△ABC中点D.E.分别在边ABAC上DE∥BCAD=1AB=3则S.△ADES.△ABC=___
在△ABC中已知点D.E.分别在边ABAC上DE∥BC.如果AD=1cmAB=3cmDE=4cm那么
热门试题
更多
—Mycousinalwaystakesmythingswithoutasking.—.A.It'snotagoodidea B.It'snotabigdealC.It'sdangerous D.It'sright
WhileIsleepthetelephonerang.
InthesummertheBrownswenttothebeachandstayedtherefordays.A.apieceof B.acoupleof C.akindof D.abitof
ReadmorespeakmoreandyouwillmakeabiginyourEnglish.
—Excuseme.Couldyoutellme?—SureSir.Youcantrywww.taobao.com.A. wheredidIjoininthegroup-buying B. wherecanIjoininthegroup-buyingC. whereIjoinedinthegroup-buying D. whereIcanjoininthegroup-buying
WhatbookyouwhenIyouatfouryesterdayafternoon? A.did;read;wasseeing B.did;read;saw C.were;reading;saw D.were;reading;wasseeing
Herfavoritekindofbooksis science.
Garthisoneofthe successmusiciansinAmerica.
Katewrotehernameonthefirst ofthebook.
—DotheyknowaboutChina?—YesnotonlyKatebutalsoLucyChina.A.hasbeento B.hasgoneto C.havebeento D.havegoneto
It'snecessarytoyourfriendstoyourfamily.
Whynotgotostudyfurtheryouwillknowmoreabouttheworld.
Don'tstayuptoolateoryouwillfeelinclass.sleep
InthemiddleoftheseaJimsawanfulloftressandgrass.
Icookinthekitchenatsevenlastnight.
Allthewereinvitedtothemeetingtotalkabouttheevent.lead
Finlandisfamousasislandcountry.A. / B.the C. an D.a
RobertDowneyismyfavoritemoviestarandmymotherisa ofhimtoo.
Youcanuseanerasertocleantheonthepage.A.mark B.report C.stress D.passage
Lucyistheonlyonewhowearssuchcolorfulclothessothesweatermustbe.she
Ican'tseehisfacebecausehewasstandingwithhisbackme.
Idon'tlikethishousewithonlytwosmallbedrooms.Let'saskfor.A.theother B.other C.one D.another
Theboy'sbedroomwasamess. Sowecleaneditup.A.for B.at C.in D.on
Heisandhecan'thearanything.
Thisbookiseasyenoughachildtoread.A.for;sixyearsold B.for;six-year-oldC.to;six-year-old D.to;sixyearsold
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
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