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,∠ACB=90°,BC的垂直平分线EF交BC于点D,交AB于点E,且BE=BF.添加一个条件, 使四边形BECF为正方形.
查看本题答案
包含此试题的试卷
教案备课库《期末复习模拟(一)》真题及答案
点击查看
你可能感兴趣的试题
如图点P.是△ABC内的一点若P.B.=P.C.则
点P.在∠ABC的平分线上
点P.在∠ACB的平分线上
点P.在边AB的垂直平分线上
点P.在边BC的垂直平分线上
如图在ΔABC中∠A.=90°BD是∠ABC的平分线DE是BC的垂直平分线若AD=2cm则CD=__
如图△ABC中BC=10AB的垂直平分线分别交ABBC于点D.E.AC的垂直平分线分别交ACBC于点
如图△ABC中BC=7AB的垂直平分线分别交ABBC于点D.E.AC的垂直平分线分别交ACBC于点F
如图在△ABC中AB=AC∠A.=120°BC=6cmAB的垂直平分线交BC于点M.交AB于点E.A
如图5在ΔABC中∠A=90°BD是∠ABC的平分线DE是BC的垂直平分线若AD=2cm则CD=__
如图在ΔABC中∠A.=90°BD是∠ABC的平分线DE是BC的垂直平分线若AD=2cm则CD=__
已知△ABC中边A.B.AC的垂直平分线相交于点P..求证点P.在BC的垂直平分线上.
如图8在Rt△ABC中∠ACB=90°AB的垂直平分线DE交AC于E.交BC的延长线于F.若∠F.=
如图在Rt△ABC中∠ACB=90°AB的垂直平分线DE交AC于E交BC的延长线于F若∠F=30°D
如图所示在Rt△ABC中∠ACB=90°∠B.=30°ED是BC的垂直平分线请写出图中两条相等的线段
如图已知△ABC中AB=AC∠BAC=120°EF为AB的垂直平分线交AB于E.交BC于F.DG为A
.如图在Rt△ABC中∠ACB=90°AC=4BC=8ED是边AB的垂直平分线则△ACE的周长等于
16
14
12
10
如图在△ABC中EF是AC的垂直平分线AF=12BF=3则BC=__________.
如图在ΔABC中∠A=90°BD是∠ABC的平分线DE是BC的垂直平分线若AD=2cm则CD=___
如图在△ABC中∠C.=90°.1试作出边AB的垂直平分线要求不写作法保留作图痕迹.2若边AB的垂直
如图在Rt△ABC中∠ACB=90°AB的垂直平分线DE交AC于E交BC的延长线于F若∠F=30°D
如图在Rt△ABC中∠ACB=90°AB的垂直平分线DE交AC于E.交BC的延长线于F.若∠F.=3
如图在ΔABC中∠A.=90°BD是∠ABC的平分线DE是BC的垂直平分线若AD=2cm则CD=__
如图∠A.=90°BD是△ABC的角平分线DE是BC的垂直平分线求∠ACB的度数.
热门试题
更多
如图AB∥CD∥EF那么∠BAC+∠ACE+∠CEF=度.
Heneedssomebananas.就画线部分提问 bananasdoesheneed?
Thenaddthegravythenoodles.
—Iwanttomakeatomatomilkshake.WhatdoIneed?—Youneedtomatoesandyogurt.A.two:some B.two;manyC.alittle;many D.alittle;some
—Wouldyoulikesandwich?—Nothanks.I'mfull.A.other B. theother C. another D.theothers
—Whatarcyoudoing?—I’maforayoungtree.
Wealmostneed盐everymeal.
Whatdoweneedbuyforsupper?
theinstructionsbeforeyou.takethemedicine.A.ReadB.Care C.Watch D.Use
—Let'smakefruitsalad.—.A.You'rewelcome B.That'sagoodideaC.SureI'dloveto D.Sorrytohearthat
Wouldyoupleasehelpme?Ican'tmakesalad yourhelp.A.under B.with C.for D.without
Pourthemilktheblender.
如图若∠1=∠2∠3=73°则∠4=.
Mymotherdoesn'tbuyanythingintheshop.改为同义句Mymother intheshop.
Heisacarelessboy.Heoftenf things.
notturnontheblenderbeforeyouputbananasandyogurtintoit.
Mybrotheroftenhastwoforbreakfast.A.bread B.breads C.sliceofbreadD.slicesofbread
Thenputsomebutter apieceofbread.
Theturkeyiscoverwithgravynow.
Whatareyoudoingthistime?
Pleasepthetheapplebeforeyoueatit.
Theradioissonoisy.Willyouplease alittle?A.turnitup B.turnupit C.turnitdown D.turndownit
Hemadeachickensandwichlikethis.就画线部分提问he achickensandwich?
Look!Thereareonthedesk.A.fourglassesofmilk B.fourglassesofmilksC.fourglassofmilk D.fourglassofmilks
Welookedfortheboyhereandthereandffoundhiminashop.
—?—Yesplease.I'dlikesomesandwiches.A.Whatdoyouwant B.WhatareyouC.MayItakeyourorder D.Canyouhelpme
Let'slistentothemusicpleaset ontheradio.
Howmuch orangedoyouwant?
Turntheblender.
如图在下面的方格图中将△ABC先向右平行移动5个单位得到△A1B1C1再将△A1B1C1向上平行移动4个单位得到△A2B2C2画出平行移动后的图形.
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