[题目]如图.在矩形ABCD中.AB=2.BC=4.点M.N分别在边AD和BC上.沿MN折叠四边形ABCD.使点A.B分别落在A1.B1处.得四边形A1B1NM.其中点B1在DC上.过点M作ME⊥BC于点E.连接BB1 . 给出下列结论:①∠MNB1=∠ABB1,②△MEN∽△BCB1,③ 的值为定值,④当B1C= DC时.AM= .其中正确结论的序号
9.如图,在矩形ABCD中,AB=2,BC=4,点M、N分别在边AD和BC上,沿MN折叠四边形ABCD,使点A、B分别落在A1、B1处,得四边形A1B1NM,其中点B1在DC上,过点M作ME⊥BC于点E,连接BB1,给出下列结论:①∠MNB1=∠ABB1;②△MEN∽△BCB1;③MNBB1MNBB1的值为定值;④当B1C=1212DC时,AM=178178,其中正确结论的序...
Cmero M, Marass F, Tsui D, Mangiola S, Lonie A, Naeem H, Sapre N, Phal PM, Kurganovs N, Chin X, Kerger M, Warren AY, Neal D, Gnanapragasam V, Rosenfeld N, Pedersen JS, Ryan A, Haviv I, Costello AJ, Corcoran NM, Hovens CM, University of Washington—Urology, Seattle, WA...
He checked me into another room and when I got to the door there was someone already in the room. He checked me into a third room and it was my own. It was a little stressful going back and forth to the office and waiting for the staff to check which rooms were...
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I am the king of excuses I've got one for every selfish thing I do What's going on inside of me I despise my own behavior This only serves to confirm my suspicions That I'm still a man in need of a savior I wanna be in the light as you are in the light I wanna ...
I know one can get educated in many ways, but colleges and universities are (49) the best places to teach me how to educate myself. Only when I am well-educated, will I be a better human being and (50) fit into society. 查看完整题目与答案 在我国要充分发挥人民群众的创造作用...
已知:h=6.63x10-34J·S,则波长为0.010nm的光子能量为()A.12.4eVB.124eVC.12.4x104eVD.0.124eV的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习效率,是学习的生产力
Kindly note that free shuttle service to the port or the airport can be provided from 9:00 am to 11:00 pm, upon request. Guests who wish to use the service must notify the property at least 1 day prior to arrival. For security reasons, you have to provide your own credit card detail...