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相交于点O,OF平分∠AOE,OF⊥CD,垂足为O(1)写出图中所有与∠AOD互补的角;(2)若∠AOE=120°,求∠BOD的度数
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
已知直线AB和CD相交于点O∠AOC为锐角过O点作直线OE.OF.若∠COE=90°OF平分∠AOE
如图已知ABCDEF相交于点O.AB⊥CDOG平分∠AOE∠FOD=28°求∠COE∠AOE∠AOG
如图直线AB.CD相交于点O.∠BOE=90°OF平分∠AOE∠1=15°30’则下列结论不正确的是
∠2=45°
∠1=∠3
∠AOD+∠1=180°
∠EOD=75°30’
如图已知直线AB和CD相交于O.点∠COE是直角OF平分∠AOE∠COF=34°求∠BOD的度数.
已知如图所示直线AB.CD相交于O.OD平分∠BOE∠AOC=42°则∠AOE的度数为
126°
96°
102°
138°
已知直线AB和CD相交于点O∠AOC为锐角过O点作直线OE.OF.若∠COE=90°OF平分∠AOE
如图所示直线ABCD相交于点O.OE平分∠AOD若∠BOC=80°则∠AOE=
已知如图直线AB.CD相交于OOE平分∠BOD且∠AOE=150°∠AOC的度数为______.
如图已知直线AB和CD相交于O.点∠COE=90°OF平分∠AOE∠COF=28°求∠BOD的度数.
如图所示直线ABCD相交于点OOE⊥AB于点OOF平分∠AOE∠1=15°30′则下列结论中不正确的
∠2=45°
∠1=∠3
∠AOD与∠1互为补角
∠1的余角等于75°30′
如图已知直线AB和CD相交于O.点∠DOE=90°OF平分∠AOE且∠AOE=112°求∠COF的度
如图直线AB.CD相交于点O∠DOE=∠BODOF平分∠AOE若∠BOD=28°则∠EOF的度数为
如图直线AB.CD相交于点O若∠BOD=40°OA平分∠COE则∠AOE=.
.如图直线AB.CD相交于点O∠BOE=90°OM平分∠AODON平分∠DOE.1若∠EON=18°
如图直线ABCD相交于点O.OF平分∠AOEOF⊥CD垂足为O..1若∠AOE=120°求∠BOD的
如图直线AB与CD相交于点O.OE平分∠AODOF平分∠BOD.1若∠AOC=64°求∠DOE和∠E
如图直线AB.CD相交于点O若∠BOD=40°OA平分∠COE则∠AOE=.
如图所示直线ABCD相交于点O.作∠DOB=∠DOEOF平分∠AOE若∠AOC=36°则∠EOF=°
如图直线AB.CD相交于点O.OE⊥AB于点O.OF平分∠AOE∠BOD=15°30′则下列结论中不
∠AOF=45°
∠BOD=∠AOC
∠BOD的余角等于75°30′
∠AOD与∠BOD互为补角
直线ABCD相交于点O.OE⊥AB于点O.OF平分∠AOE∠l=15.5°则下列结论不正确的是
∠2=45°
∠1=∠3
∠AOD与∠1互为补角
∠l的余角等于75.5°
热门试题
更多
blackcloudsinthesky!Ithinkit'sgoingtorain. A.What B.Whata C.How D.Howa
硫酸锌可用于制造锌钡白印染剂等.用锌白矿主要成分为ZnO另有Fe2O3CuOSiO2制取ZnSO4•7H2O的流程如下 资料SiO2不与酸反应. 1流程中操作是滤渣的主要成分是为提高锌元素的浸出率的措施 有适当提高酸的浓度填一种. 2滤液I中加入锌粉生成铜反应方程式为该反应属于反应填基本类型. 3滤液Ⅱ中发生反应是2KMnO4+14X+6FeSO4+9H2SO4=6FeOH3+2MnO2+14ZnSO4+K2SO4X的化学式为. 4母液中的溶质有.
Weoftenhearchildrenwishingtheyweregrown﹣ups.Andoldpeoplewishtheywere1again.Eachagehasits2anditspainsandthehappiestpersonalwaysenjoyswhateachage3himwithoutwastinghistimeinuselessregrets. Childhoodisatimewhenthereare4responsibilitiestomakelifebetter.Ifachildhasgood5heisraisedlookedafterandlovedwhateverhemaydo.Itis6thathewilleveragaininhislifebegivensomuchwithouthavingtodoanythinginreturn.Butachildhas7pains.Heisnotso8todoallthathewishestodo.Heisagainandagainbeingtoldnottodosomethingorbeingpunishedfor9hehaswronglydone. Whenayoungmanstartstoearnhisownliving谋生hecannolongerexpectothersto10hisfoodhisclothesandhisroombuthehastoworkifhewantstolive11.Ifhespendsmostofhistime12inthewaysthatheusedtoasachildhewillgohungry.Andifhebreaksthelawsofsociety13heusedtobreakthelawsofhisparentshemaygotoprison监狱.14ifheworkshardkeepsoutoftroubleandhasgoodhealthhecanhavegreathappiness.Hecanalsobuilduphisownpositionin15forhimself. 1.A.new B.young C.active D.strong 2.A.loneliness B.wishes C.sadness D.pleasure 3.A.lets B.hopes C.makes D.gives 4.A.few B.many C.little D.much 5.A.friends B.parents C.teachers D.sisters 6.A.impossible B.natural C.common D.harmful 7.A.its B.your C.her D.his 8.A.free B.weak C.wrong D.right 9.A.when B.what C.that D.who 10.A.thinkabout B.payfor C.talkabout D.puton 11.A.comfortably B.freely C.peacefully D.sadly 12.A.playing B.thinking C.worrying D.writing 13.A.since B.as C.and D.but 14.A.Luckily B.Possibly C.Unluckily D.However 15.A.society B.school C.home D.office
Courageistheabilitytobebraveindifferentsituationsinourlife.Hereandtherenowandtheneveryoneneedscouragetodosomethingwell.Couragemaymakeyouconfidentofyoursuccess.Ifyouhavecourageyouwillnotshowfearinfaceofanythingdifficultordangerous.Withcourageyoumaylookatsomeoneintheeyewhoyouhavewronged冤枉andsayIamsorryyoumaykeepsmilingevenifyouareseriouslyillandknowyouareattheendofyourlife. Howcanwebuildupourcourage? 阅读以上信息用恰当的词完成下面的短文每空一词. Courageistheabilitytobebraveindifferentsituations.Itisimportanttoeveryone.Withcourageyouwillfeelconfidentofyoursuccesswithcourageyouwon'tbe56ofanythingdifficultordangerouswithcourageyoumaylookatsomeoneyouhavewrongedintheeyeandsaysorrytohimorherwithcourageyoumaykeepsmilingevenifyouareseriouslyill. Herearesomeuseful57tobuildupourcourage. Firstbelievethatyou'll58.Takechancesandknowthatyouhaveyourowntalents. Secondexerciseyourcourage.It'sjustlikethemuscle.Themoreweusecouragethe59 wewillget. Thirddon't60togiveupalthoughit'smucheasiertodosoandyouneedcouragetosayordowhatyouthinkisrightevenwhenothersthinkyouarewrong. Finallyreadinspiringstoriesofbravepeople.AbrahamLincolnissuchakindofperson. 56. 57. 58. 59. 60.
﹣Weraisedalotofmoneyatthecharityshow.﹣Exactly!Thereisusefulsaying'Manyhandsmakelightwork.'A.a B.an C.the D./
﹣Jackhowareyoufeelingtoday? ﹣Even.Idon'tthinkIcangotoworktoday. A.better B.worse C.brighter D.happier
The每周的TVshowReadershostedbyDongQinghasrecentlybecomeahottopicinChina.
2018年12月8日我国成功将“嫦娥四号”探测器送入太空开启月球探测新旅程. 1“嫦娥四号”的双翼是光伏电池在工作时可将能转化成电能. 2“嫦娥四号”上使用的国旗是由一种叫聚酰亚胺的塑料制成这种材料属于填序号 a.无机材料b.有机合成材料c.复合材料 这种塑料制成的国旗与传统的丝绸国旗相比突出的优点是. 3“嫦娥四号”搭载的一枚棉花种子发芽了发芽后的种子在人造环境中进行光合作用的化学方程式是. 4“嫦娥四号”带回的月球矿产资源标本之一氦﹣3是理想的核聚变反应堆原料氦﹣3和氦﹣4都属氦元素因为这两种原子具有相同的.
﹣Doyouthinktheofthecomputersuitsme? ﹣Ofcourse.It'scheaperthanIthought. A.price B.color C.size D.type
Ourchildrenandgrandchildrenmaynothaveachancetovisitmanyofthemostfamousplacesaroundtheworld.Warweatheragetrafficandpollutiondamage破坏thesefamousplaces.Ifwedonothingtheymayevennolongerremain.Butlookingaftertheseplacesoftencostsmorethanonecountrycanafford. Intheearly1970sworldgovernmentsdecidedthatiftheyjoinedtogethertheywouldbeabletopreserve保护ourhistory.Ifeverycountrypaidsomemoneytheysaiditwouldbepossibletolookafterimportanthistoricplaces.ForthisreasoncountriesaroundtheworldunitedtoformtheWorldHeritageOrganizationin1972.Todaytheorganizationhelpstoprotectandrebuildthemostimportantplacesfromourhistory. Howeveroneofthebiggestproblemsforhistoricplacesisvandalism.Thatistosaypeoplesometimesentertheseplacesanddamagethebuildings.AtsomeplacessuchasStonehengeinEnglandgovernmentshavebuilthighfencestoprotectitfromvandals. Therearemanydifferentideasabouthowtosolvetheproblemofvandalism.Someprofessorssaythatifguardskeepwalkingaroundtheseplacesvandalswon'tbeabletogetin.Someprofessorssaythatiftheyfixmoretelevisioncamerastheywon'tneedsomanyguards.Otherssaythatthebestwayiseducation.Ifpeoplelearntorespecthistorytheywon'tdamageit.Theywillalsowanttospendmoneylookingafteroldplaces.ForthisreasontheWorldHeritageOrganizationhelpstospreadinformationaboutthevalueofhistoricplaces. 32.Ourchildrenandgrandchildrenmaynothaveachancetovisitmanyofthemostfamousplacesaroundtheworldprobablybecause. A.theydon'thaveenoughmoneytogothere B.theseplacesmaydisappearinthefuture C.governmentsdon'tallowthemtoenter D.theyareafraidoftheguardsthere 33.TheWorldHeritageOrganizationwassetupforthefollowingreasonsEXCEPT. A.Itwouldbeabletohelppreserveourhistory. B.Nocountrieswantedtoprotectthehistoricplaces. C.Itwouldcollectmoneytorebuildthedamagedplaces. D.Itwouldbepossibletotakecareofimportanthistoricplaces. 34.Whichofthefollowingshowsustheactionofvandalism? A.Peopleentertheplacesanddamagethebuildings. B.Governmentsbuildhighfencestoprotecttheplacefromvandals. C.Guardswalkaroundtheseplacesandfixmoretelevisioncameras. D.Warweatheragetrafficandpollutiondamagethesefamousplaces. 35.What'sthebestwaytosolvethebiggestproblemofvandalism? A.Tospendmoremoneylookingaftertheseplaces. B.Tomakeguardspreventvandalsgettingin. C.Tofixmoretelevisioncamerasintheseplaces. D.Tomakepeopleknowaboutthevalueofhistoricplaces.
﹣Kittyisverygoodatmusicalinstruments. ﹣Yessheis.Shecanplaytheguitaralmostherguitarteacher. A.asbetteras B.asgoodas C.aswellas D.sowellas
Aftertheteachersharedthemovingstorywiththestudentsthewholeclassroomwasin silent.
Iconsiderreturntomyhomework.
MrYangsaidhe更喜欢readingpaperbookstoe﹣booksontheInternet.
已知在Rt△ABC中∠C=90°sinA=则tanB的值为A. B. C. D.
成功是每个人的梦想无论贫穷或富有都要努力.我们要认真严肃地做每一件事不浪费时间和机会.当然我们也要学会做好面对失败的准备.1.2.3.4.5.
MyuncleregrettedhishouseinShanghailastyearbecausethehousepricekeepsrising. A.sell B.tosell C.selling D.sold
﹣Couldyoupleasetellme? ﹣Yes.Hecametostudyherejustlastmonth. A.thatheisanewstudent B.whendidhecomehere C.ifshelikesEnglishbest D.whetherheisanewstudent
﹣WhystopwalkingMichelle? ﹣Therearesomanypeoplestandingtherethatwecan'tgo. A.across B.through C.over D.on
MaryalwayshasmoredifficultythanLilyworkoutMathsproblems.
—Whichsportareyouinattheschoolsportsmeeting?—Nodecisionyet.IthinkitafterdiscussingwithmyPEteacherMr.Yuan.A.willbedecided B.willdecide C.wasdecided D.isdecided
﹣MumcanIgotowatchthemovieGuardiansoftheGalaxyVol.2tomorrow? ﹣Sureifyourhomework. A.finish B.isfinished C.willfinish D.willbefinished
﹣WillyoufixupthebrokenrobotaccordingtotheTommy? ﹣Noproblem. A.invention B.information C.instruction D.introduction
﹣Canyouhelpmewiththetext? ﹣SorryTherearesomanynewwordsthatIcanunderstandit. A.nearly B.hardly C.clearly D.easily
Jim’sfamilyishavingayard becauseJimhassomeoldclothestosell.
Wehavealreadyclearoutalotofoldthings.
—HowlonghasMarybeenateacher?—lastyear.
Jackie'slifehascompletelychangedsincehewas分开fromhisfamilytenyearsago.
26.Howmanymealsareservedduringthe4﹣daytrip? A.Four. B.Six. C.Eight. D.Ten 27.Whatcanwelearnfromthepassage? A.Therearetwoperiodsoftimewhenwearefreetodothingswelike. B.WecanvisittheGreatWallandtheForbiddenCityonthesecondday. C.WecangoandseetheTempleofHeavenandBird'sNestonthethirdday. D.It'scertainthatwecangettimetobuysomesouvenirsinthefamousXiushuiStreet. 28.Thepassageismostlikelytobetakenfrom. A.atravelguide B.aninstruction C.anadvertisement D.anewspaper
热门题库
更多
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
教案备课库
教案备课库
教案备课库