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,正方形ABCD和正方形CEFG的边长分别为a和b,正方形CEFG绕点C旋转,给出下列结论:①BE=DG;②BE⊥DG;③DE2+BG2=2a2+2b2,其中正确结论是( )
查看本题答案
包含此试题的试卷
教案备课库《2018年山东省淄博市临淄区中考数学一模试卷》真题及答案
点击查看
你可能感兴趣的试题
如图平面直角坐标系的原点O.是正方形ABCD的中心顶点A.B.的坐标分别为11-11把正方形ABCD
如图正方形ABCD和CEFG的边长分别为mn那么∆AEG的面积的值
与m、n的大小都有关
与m、n的大小都无关
只与m的大小有关
只与n的大小有关
正方形ABCD与正方形CEFG的位置如图所示点G在线段CD或CD的延长线上分别连接BDBFFD得到
如果边长分别为4cm和5cm的矩形与一个正方形的面积相等那么这个正方形的边长为______cm.
两个正方形小的正方形的边长是大的正方形的边长一半多4cm大的正方形的面积是小的正方形的面积2倍少32
已知四边形ABCD和四边形CEFG都是正方形且AB>CE.1如图1连接BGDE.求证BG=DE2如图
1如图1正方形ABCD和CEFG的边长分别为mn用含mn的代数式表示△AEG的面积2如图2正方形AB
如图正方形ABCD和CEFG的边长分别为mn那么∆AEG的面积的值▲
与m、n的大小都有关
与m、n的大小都无关
只与m的大小有关
只与n的大小有关
如图正方形ABCD和正方形CEFG中BC⊥EC它们的边长为10cm.正方形ABCD又可看成是由正方
问题提出如何将边长为nn≥5且n为整数的正方形分割为一些1x5或2×3的矩形axb的矩形指边长分别为
如图正方形ABCD和正方形CEFG中点D.在CG上BC=1CE=3H.是AF的中点那么CH的长是.
如图矩形ABCD被分成六个大小不一的正方形已知中间一个小正方形面积为4其他正方形的边长分别为abcd
如图正方形ABCD和正方形CEFG中点D.在CG上BC=1CE=3H.是AF的中点那么CH的长是
如图平面直角坐标系的原点O是正方形ABCD的中心顶点AB的坐标分别为22﹣22把正方形ABCD绕原点
已知正方形ABCD与正方形CEFG的位置分别如图①图②图③所示点G在线段CD或CD的延长线上.分别连
如图有三种卡片其中边长为a的正方形卡片1张边长分别为ab的矩形卡片6张边长为b的正方形卡片9张.用这
如图正方形ABCD和正方形CEFG边长分别为a和b正方形CEFG绕点C.旋转给出下列结论①BE=DG
0个
1个
2个
3个
边长相等的正方形和正六边形
边长相等的正方形和正三角形
边长相等的正方形和正五边形
边长相等的正方形和正十边形
如图正方形ABCD和正方形OEFG中点C.和点F.的坐标分别为-321-1则两个正方形的位似中心的坐
将对角线分别为5cm和8cm的菱形改为一个面积不变的正方形则正方形的边长为_______cm.
热门试题
更多
—Doyouknow?—SorryI'venoidea.A.whetherhecanpasstheexam B.ifcanhetaketheexamlaterC.whendidhefailtheexam D.Whydidhegettoclasslate
Hesawawalletonthegroundandatoncelookingfortheowner. A.cheereditup B.pickeditup C.putitup D.lookeditup
ThenotebookbelongtoMary.Ithashernameonthefrontcover.
在平面直角坐标系xoy中对于点Pmn和点Qxy.给出如下定义若则称点Q为点P的伴随点.例如点12的伴随点为点50.1若点Q-1-2是一次函数y=kx+3图象上点P的伴随点求k的值.2已知点Pmn在抛物线C1y=x2-x上设点P的伴随点Qxy的运动轨迹为C2.①直接写出C2对应的函数关系式.②抛物线C1的顶点为A与x轴的交点为B非原点试判断在x轴上是否存在点M使得以ABQM为顶点的四边形是平行四边形若存在直接写出点M的坐标若不存在说明理由.③若点P的横坐标m满足-2≤m≤a点Q的纵坐标y满足-3≤y≤1直接写出a的范围.
—HowcanIimprovemywrittenEnglish?—Youcanaweekendschooltolearnhowtoplanyourarticlewell.
因网购既安全又便利很多人选择网购.据报道今年双十一淘宝网上消费额2135亿元.衣服和日常生活用品最热卖.请补全下面关于网购的小短文每空一词.AlargenumberofChineseInternetusershavefoundthejoysofonlineshopping.Mostonlineshoppersarestudentsoryoungworkers.Morewomenshoponlinethanmen.Clothingand96home-useproductsarethemostpopularonline.Itwas97thatallcustomersspent213.5billionyuan98onlineshoppingonNovember11stthisyearthroughTaobao.It'svery99andconvenienttoshoponline.Theshopownerwillnotgetthemoney100youreceivetheproductsfromthesellersandaresatisfiedwiththem.Youcanalsogetthemoneybackifyouwanttoreturnwhatyoubought. 96.97. 98. 99. 100.
Youngpeopleshouldbe educatetotakecareofthemselvesfromayoungage.
interestingbooks!
﹣Whobrokethewindow ﹣.Astrongwinddidit.
Hewashitbyaonhiswayhomeyesterdayandwassenttohospitalintime. A.license B.lift C.truck D.magazine
studentsplantingtreesonthehill.
81countriesandorganizationsaroundtheworldwereinvitedtothefirstChinaInternationalImportExpoinShanghaithismonth.A.hold B.takepartin C.joinin D.attend
Carolisn'tnear-sighted近视的sothispairofglassesbehers. A.can't B.mustn't C.shouldn't D.needn't
ThetoycarbeJohnny's.Heistheonlylittlekidthere.
policemanareconsideredasthemostlovingoneswhomakeuscitizens市民safe.Weshouldshowourrespect尊重tothem.
TherearemanywaystostudyEnglish.Butwhichoneisthemosthelpful?UnluckilyIdon'tthinkthereisasingleanswerthatisrightforeverystudent.HoweverIthinkIcangiveyousomeadviceonhowtostudyEnglish.StudyEnglisheverydayIt'simportanttostudyEnglisheverydayanditcanimpress给...留下深刻印象youwithwhatyouhavelearned.StudyEnglishfortentofifteenminutesratherthananhoureveryday.It'sbettertodojustalittlebiteverydayratherthanalotonlytwiceaweek.StudyEnglishbyusingdifferentwaysDon'tjustuseonewaytostudyEnglish.Usingdifferentwayscanexciteallthepartsofyourbrain.Forexampleifyouarelearningnewvocabularydrawawordmapdescribeapictureorwritedownthewordsfivetimes.Allofthesewayscanhelptoimproveyourlearning.StudyEnglishbyfindingsomefriendsTrytofindsomefriendstostudyEnglishwithyou.YoucanpracticeexercisestogetherorhaveconversationstogetherinEnglish.AsyoustudyEnglishtogetheryoucanhelpeachotherwiththeexercisesyoumaynotunderstand.StudyEnglishbychoosingtopicsthatinterestyouOneofthemostimportantthingstodoistostudyEnglishbyusingtopicsthatyoulike.IfyouenjoythetopicsitwillbemucheasierforyoutoimproveyourEnglishinashorttime.根据短文内容选择正T误F. 81.Thewriterthinksit'sgoodforustostudyEnglishforanhoureveryday. 82.Thewriteroffersusmorethanonewayoflearningnewvocabulary. 83.ThewriterthinksithelpfultostudyEnglishwithfriends. 84.ThewriterthinksweshouldchoosetopicswelikewhenstudyingEnglish. 85.ThewritergivesusfivepiecesofadviceonhowtostudyEnglish.
Putonyourwhenyougooutotherwiseyoumaycatchabadcold.
﹣DoyoulikemovieKungFuPanda3 ﹣Yesitisinterestingfilm.Ilikeitverymuch.
Everyonegoingtomakeanefforttodealwiththeheavysmog.A.am B.is C.are D.be
Jack'sbikeisbluesothisyellowonebehis. A.mustn't B.can't C.couldn't D.maynot
ThesoccerballbeSteve'sorNick's.Theybothlikeplayingsoccer.
Ahasathree-lippedmouth三瓣嘴andcommonlylikescarrotsalot.
Thereweresomehappenintheneighborhood.Theymadepeoplefeelsofrightened.
ThisdictionarymusttoJudie.Shesigned签名onthecoverofit.
—Didyouhaveagoodtimeattheparty? —NoIdidn'tknowsomebodythere.
Halfofthemoneyofthecharitysalewaskeptandtherestofittothevillageschool.A.isgiven B.wasgiven C.weregiven D.hadbeengiven
—backpackisthis?—Iguessit'sLucy's.
实验室用锌与稀硫酸制取氢气并验证其可燃性可选用与E装置组合在E导管口点燃.实验过程是组装仪器→检查装置气密性→装入药品制备氢气→→点燃.
Hisfamilywenthikinginthemountainsandhadalotoffoodthepicnic. A.in B.of C.at D.on
Smokingisbadforyourhealth.You'dbetter.
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