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,直线AB、CD都和AE相交,∠1+∠A=180°.求证:AB∥CD.
查看本题答案
包含此试题的试卷
教案备课库《初一年级数学研修学案201411065》真题及答案
点击查看
你可能感兴趣的试题
已知AB是半圆O.的直径点C.是半圆O.上的动点点D.是线段AB延长线上的动点在运动过程中保持CD=
如图已知AB是⊙O.的直径弦CD⊥AB垂足为H..1求证AH•AB=AC22若过A.的直线与弦CD不
如图直线AB.CD相交于点OOE⊥OC若∠1=50°分别求∠2∠3的度数
如图直线AB∥CD直线EF与直线AB相交于点M.MN平分∠AME若∠1=50°则∠2的度数为
50°
80°
85°
100°
如图直线AD和BC相交于O.AB∥CD∠AOC=95°∠B.=50°求∠A.和∠D.7分
如图直线ABCD相交于点O.OE平分∠AOD∠FOC=90°∠1=40°求∠2和∠3的度数.
如图直线AB∥CD直线EF分别交AB.CD于点MN∠EMB=50°MG平分∠BMFMG交CD于G求∠
已知AB是半圆O.的直径点C.是半圆O.上的动点点D.是线段AB延长线上的动点在运动过程中保持CD=
已知AB是半圆O.的直径点C.是半圆O.上的动点点D.是线段AB延长线上的动点在运动过程中保持CD=
如图直线AB.CD相交于点O∠1=35°∠2=75°求∠EOB的度数.
如图所示直线ABCD相交于O.OE平分∠AOD∠FOC=90°∠1=40°求∠2和∠3的度数.
如图所示直线AD和BC相交于O.AB∥CD∠AOC=95°∠B.=50°求∠A.和∠D.
已知AB是半圆O.的直径点C.是半圆O.上的动点点D.是线段AB延长线上的动点在运动过程中保持CD=
如图直线AB与CD相交于点O.OE⊥CDOF⊥AB∠DOF=65°求1∠BOE的度数2∠AOC的度数
如图已知相交直线AB和CD及另一直线MN如果要在MN上找出与ABCD距离相等的点则这样的点至少有__
如图直线ABCD相交于点O.OE⊥CDOF⊥AB∠DOF=65°求∠BOE和∠AOC的度数.
如图已知CD是⊙O.的直径AC⊥CD垂足为C.弦DE∥OA直线AECD相交于点B.1求证直线AB是⊙
如图AB=ACCD⊥AB于D.BE⊥AC于E.BE与CD相交于点O..1求证AD=AE2连接OABC
如图已知直线AB和CD相交于O.点射线OE⊥AB于O.射线OF⊥CD于O.且∠BOF=25°.求∠A
如图直线ABCD都和AE相交∠1+∠A=180°试说明AB∥CD.
热门试题
更多
Marycanplayguitarbutshecan'tplaychess.A.thethe B.the/ C./the D.aa
阅读下面短文并借助上下文和插图补充所缺信息.每个空只能填写一个形式正确意义相符的单词.Hieveryone.MynameisDave.Mybirthdayis110th.Iwanttojoina2inourschool.Ican3anddanceandIcanalsoplaytwoinstruments:the4andtheviolin.SoIthinkIcanbeinthe5club.IalsoIlikeplaying6andIamgoodatit7Idon’twanttojointhesportsclubbecauseIdon’thavetime.Ilikewatchingmovies.Ilike8moviesbecauseIthinktheyare9.MyfavouiteactorisJackieChan.Idon'tlikedocumentariesbecausethey’re10. 1.Mybirthdayis10th. 2.Iwanttojoinainourschool. 3.Icananddance. 4.Icanalsoplaytwoinstruments:the4andtheviolin. 5.SoIthinkIcanbeintheclub. 6.IalsoIlikeplayingandIamgoodatit. 7.Idon’twanttojointhesportsclub. 8.Ilikemovies. 9.Ithinktheyare. 10.Becausethey’re10.
Bradcanplaybasketball.Hewantstojthebasketballclub.
Look!It'sLiJun.Heruninthe1000metersrace.
SuYujiisbusy1happy.2favoritesubjectcomputer.EverydaySugetsupat5:30a.m.andridesherbike3twentyminutes4school.Shestudieshardandeven 5booksduringbreaks课间休息!LikemanystudentsSuhasalotof6.7schoolshehelpshermum8themeal.Onweekendsshehelpswashclothes.Shecancookwhensheis9.Suwants10ateacherwhenshegrowsup. 1.A.and B.but C.or D.so 2.A.Su B.Her C.Shes D.He’s 3.A.in B.on C.for D.\ 4.A.getto B.toget Ctogetto D.getsto 5.A.read B.reads C.watches D.sees 6.A.homework B.homeworks C.homeworks D.homework 7.A.Before B.After C.When D.At 8.A.cooking B.with C.have D.at 9.A.eight B.eightyearold C.eight-yearsold D.eight-years-old 10.A.do B.todo C.be D.tobe
Shehaveanewsweater.
Look!MysisterwatchTVintheroom
Wewanttoplaytennisafterschool.Butwedon'thavetennisr
Wealllikeplaycomputergames.
Weareplaytennis.
Mayismonthoftheyear.A.thefifth B.five C.fifth
OneofmyfriendsfromGuangzhou.A.is B.are C.come
Canherideabike?
Tinalovesartandshewantstobeartteacher.A.the;a B. /;an C.an;the D./;a
-CanIhavealookatyourgame?—.Hereyouare.A.Noyoucan’t B.Great C.OK
IoftensportsTV.A.readon B.seein C. watchon
HehaveabrotherandhisnameisLiLei.
September10isDay.A.Teacher B.Teacher’s C. Teachers
-WhatcanCindydo?-Shecan.A.swims B.swimming C.toswim D.swim
Susangotoschoolbybus.
Youmusthaveeveryday.A.fruit B.manyfruit C. vegetable
Helikesbuthedoesn’tlike.A.thrillercomedy B.thrillerscomediesC.thrillercomedies D.thrillerscomedies
Doesshehaveasoccerball?A./b□:/ B./'te□bl/ C./b□:l/ D./k□:l/
Therunnersareverystrong.Becausetheyeatalotofhfood.
Let'sgoandseeourgrandma.
Mr.Whitewithhisfriendsoftenatrip.A.have B.has C. go
Theyliketoeatchicken.A./k/ B./θ/ C./m/ D./n/
Paulusuallygoestothemovieweekends.A.on B.in C.to D.for
DearZhangHanThankyou1yourpostcard明信片.Iamwritingtoyouinourcomputerroom.NowIhave2newfriendshere.Jimmyisoneof3andheismyclassmate.Heis14.4old.Hismotheris5buthisfatherisfromtheUSA.Heoftenasksmetogotohishomefordinner6hisparents.HisfamilylikeChinaverymuch.Wehavegoodteachers.Oneofthemisalso7theUSA.WecallherMissGreen.SheteachesusEnglish.OurmusicteacherisMr.ScottJimmy'sfather.He8ChineseKungfuverymuch.9favoritemoviesareactionmovies.He10likesBeijingOpera.AfterschoolheoftenshowsushisChinese.Iwanttoknowmoreaboutyouverymuch.Pleasewritetomesoon.YoursBob 1.A.in B.at C. for D. on 2.A.little B.lotof C. many D. much 3.A.us B.we C. they D.them 4.A.year B.ages C. age D.years 5.A.English B.anEnglish C.notEnglish D.fromtheUSA 6.A.and B.for C. with D. about 7.A.for B.from C. about D.at 8.A.don’tlike B.tolike C.likes D‘ doesn’t like 9.A.He B. Him C.Her D. His 10.A.really B.only C.often D. also
-Whatyourbrotherdo?-Heisadoctor.
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
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