首页
试卷库
试题库
当前位置:
X题卡
>
所有题目
>
题目详情
用一块半径为4,圆心角为90°的扇形纸片围成一个圆锥的侧面,则此圆锥的高为 .
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
如图现有一个圆心角为90°半径为8cm的扇形纸片用它恰好围成一个圆锥的侧面接缝忽略不计则该圆锥底面圆
4cm
3cm
2cm
1cm
若用半径为12圆心角为120°的扇形围成一个圆锥的侧面接缝忽略不计则这个圆锥底面圆的半径的长____
用半径为12cm圆心角为90°的扇形纸片围成一个圆锥的侧面这个圆锥的底面半径为_____.
用半径为12㎝圆心角为90°的扇形纸片围成一个圆锥的侧面这个圆锥的底面半径为
1.5㎝
3㎝
6㎝
12㎝
用圆心角120°半径为3的扇形纸片围成一圆锥的侧面则这圆锥的底圆半径是
1
1.5
2
3
现有一圆心角为90°半径为8cm的扇形纸片用它恰好围成一个圆锥的侧面接缝忽略不计则该圆锥底面圆的半径
4cm
3cm
2cm
1cm
用半径为3cm圆心角是120°的扇形围成一个圆锥的侧面则这个圆锥的底面半径为cm.
用半径为6cm圆心角是120°的扇形围成一个圆锥的侧面则这个圆锥的底面半径为.
用一个圆心角为120°半径为9cm的扇形围成一个圆锥侧面则圆锥的高是cm.
用半径为12cm圆心角为90°的扇形纸片围成一个圆锥的侧面接缝忽略不计则该圆锥底面圆的半径为cm.
现有一个圆心角为90°半径为8cm的扇形纸片用它恰好围成一个圆锥的侧面接缝忽略不计.该圆锥底面圆的半
现有一圆心角为90°半径为8cm的扇形纸片用它恰好围成一个圆锥的侧面则该圆锥底面圆的半径为
4 cm
3cm
2 cm
1cm
已知扇形的圆心角为120°半径为6cm用这个扇形围成一个圆锥的侧面则此圆锥的底面半径为cm.
现有一圆心角为90°半径为8cm的扇形纸片用它恰好围成一个圆锥的侧面接缝忽略不计则该圆锥底面圆的半径
4cm
3cm
2cm
1cm
现有一个圆心角为90º半径为12cm的扇形纸片用它恰好围成一个圆锥的侧面接缝忽略不计该圆锥底面圆的半
用一块半径为4圆心角为90°的扇形纸片围成一个圆锥的侧面则此圆锥的高为
用一个半径为6圆心角为120°的扇形围成一个圆锥的侧面则圆锥的高为.
如图24421扇形的半径为6圆心角θ为120°用这个扇形围成一个圆锥的侧面所得圆锥的底面半径为_
用一个圆心角为120°半径为9㎝的扇形围成一个圆锥侧面则圆锥的高是㎝
用一个圆心角为90°半径为4的扇形围成一个圆锥的侧面该圆锥底面圆的半径.
热门试题
更多
Theoldman'smoneymaincomesfromfamilybusiness.
Themoreexerciseyoutakethehealthyyou'llbe.
﹣What'sthesecretofsuccessDad? ﹣Moretimeandeffortyou'llmakeitsomeday. A.or B.because C.but D.and
﹣﹣﹣OneofthegreatestscientistStephenWilliamHawkingdiedonMarch14th. ﹣﹣﹣terriblenews!Weareallsorrytohearthat. A.Whata B.Howa C.What D.How
Harry'sbeendrivingalldayonhiswaytoDunhuang.Hebeverytired. A.need B.can C.shall D.must
﹣﹣Doyoumindmesmokinghere? ﹣﹣.Lookatthesign.ItsaysNosmoking. A.Itdoesn'tmatter B.NoIdon't. C.You'dbetternot D.Nevermind.
Manytreesandflowersinourschoollastyearandtheymadeourschoolabeautifulgarden. A.plant B.planted C.haveplanted D.wereplanted
﹣Manycitieshaveopenedhigh﹣speedrailwaysandthisreallymakesourlifemoreconvenient. ﹣It'strue.Andtill2020high﹣speednetworkwillbethecountry. A.across B.through C.over D.past
Youryoungerbrotherusedtobeshydidn'the?butnowheisoutgoingandlikesmakingfriends.A.Yeshewas B.Yeshedid C.Nohedidn't D.Nohewasn't
﹣Couldyoutellmeforclassthismorning? ﹣IamsorryMrs.Lin.IgotupsolatethatIcouldn'tcatchthefirstbus. A.whywereyoulate B.whyyouarelate C.whyareyoulate D.whyyouwerelate
popularthesharedbikesinourcityare! A.What B.Whata C.How D.Howa
Ittakesmeonehourtowriteanarticle. A.800word B.800﹣words C.800s﹣words D.800﹣word
UncleWangisanexcellentengineer.Heisafriendof. A.myfather B.myfather's C.myfathers D.myfathers'
﹣LiTaotakesanactivepartinprotectingtheenvironment. ﹣SodoesMeimei.SheamemberoftheGreenChinasincethreeyearsago. A.became B.hasbecome C.willbecome D.hasbeen
Ifyouwanttogetgoodscoresyouhadbetterthetestpapersbeforeyouhandthemin. A.goaway B.goover C.goon D.goby
Ican'tfindthebookmymotherboughtme. A.who B.when C.which D.what
﹣DoyouknowwhattimeyouruncleDazhoutomorrow? ﹣At200p.m..Iwillmeethimwhenheattheairport. A.getstoarrives B.willgettowillarrive C.willgettoarrives D.getstowillarrive
Mymotherwithherfriendsoftengoshoppingonweekends.
﹣Youngpeoplehavedifferentforchoosingtakeawayfood. ﹣Sotheydo.Someconsidertakeawayfoodischeaperthaneatinginarestaurant. A.reason B.reasons C.instruction D.instructions
WhichofthefollowingisthesameasIsawhimreadingabookinpattern结构? A.Youhaveaverynicesister. B.Helikesplayingthepiano. C.Theyaregoodatmath. D.WecallherMsLiu.
﹣﹣﹣AsweallknowadragonisregardedasthesymbolofinChina.Emperorsinancienttimesalwayscomparedthemselvestodragons. ﹣﹣﹣Nowondertheemperorsallwearclotheswithdragons. A.wealth B.power C.stress D.energy
Don'tdrivealoneuntilyouadriver'slicense. A.get B.got C.willget D.aregetting
Don'tbedisappointwhenyoufail.
BoysandgirlspleaseturntoPageandlookatthepicture. A.Fifthfive B.Fivefive C.Fifthfifth D.Fivefifth
WhenyoumelastnightIthepiano. A.werecallingwasplaying B.werecallingplayed C.calledplayed D.calledwasplaying
BothLilyandIpreferclimbmountainstoshoppingatweekends.
﹣HiLiLei.Doyouknow? ﹣TendaysIthink. A.howlongwillittaketofinishthework B.howlongitwilltaketofinishthework C.howsoonwillittaketofinishthework D.howsoonitwilltaketofinishthework
﹣WhatdoyouwanttobeinthefutureNick? ﹣IwanttobepilotoftheJ﹣15fighterjetontheLiaoning.Itisexcitingjob. A.aa B.aan C.thean D.athe
﹣CouldyoupleaseteachmehowtouseWeChattomakevoicechat? ﹣Sure.PresstheHoldtoTalkbuttonrecordyourmessageandit. A.sends B.sent C.issent D.wassent
Ifwecankeeprunningsuccesswillbelongtousbecauseit'simpossibletodefeatapersonwhogivesup. A.never B.seldom C.sometimes D.usually
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
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