如图de⊥abdf⊥ac垂足分别为ef请你从下面三个条件中任选出两个作为已知条件另一个为结论推出一个正确的�题 � ab=ac Sketch Coloring Page

如图de⊥abdf⊥ac垂足分别为ef请你从下面三个条件中任选出两个作为已知条件另一个为结论推出一个正确的�题 � ab=ac Template

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Take a peek at some of the sketches created by our users, are you a sketchite?

sketch #2715 Angelina

Na Ruro
sketch #2715 Angelina

sketch #4915 Marshall Lee Gopal Gopi

anonymous

anonymous
sketch #4915 Marshall Lee Gopal Gopi

sketch #3298

Hank Henry Armstrong
sketch #3298

sketch #4386 Freddie Mercury by Павел Павлов

anonymous

anonymous
sketch #4386 Freddie Mercury by Павел Павлов

sketch #1138

anonymous

anonymous
sketch #1138

sketch #5207 Gorilla by Jean-Benoit Renaud

anonymous

anonymous
sketch #5207 Gorilla by Jean-Benoit Renaud

sketch #3626 Skream by Wellen Lima

anonymous

anonymous
sketch #3626 Skream by Wellen Lima

sketch #2536

anonymous

anonymous
sketch #2536

sketch #5178 Mewtwo and Transformation by Riley Hart

anonymous

anonymous
sketch #5178 Mewtwo and Transformation by Riley Hart

sketch #962

Wynchz
sketch #962

sketch #5160 Marilyn Monroe by Muhammet Karadoğan

anonymous

anonymous
sketch #5160 Marilyn Monroe by Muhammet Karadoğan

sketch #3410

anonymous

anonymous
sketch #3410

sketch #4649

anonymous

anonymous
sketch #4649

sketch #3810

anonymous

anonymous
sketch #3810

sketch #5306 Katarina by Mirnes Sinanovic

anonymous

anonymous
sketch #5306 Katarina by Mirnes Sinanovic

sketch #3769 The Beatles by يآآسر محمد

anonymous

anonymous
sketch #3769 The Beatles by يآآسر محمد

sketch #1465

Laura Agapi Asnicar
sketch #1465

sketch #4300 República, comunismo, libertad

anonymous

anonymous
sketch #4300 República, comunismo, libertad

sketch #3372 Erza by Konstantin Kuznetsov

anonymous

anonymous
sketch #3372 Erza by Konstantin Kuznetsov

sketch #2895 Hulk by Dmitry Cherepanin

anonymous

anonymous
sketch #2895 Hulk by Dmitry Cherepanin

sketch #4698

anonymous

anonymous
sketch #4698

sketch #2574

anonymous

anonymous
sketch #2574

sketch #5061

anonymous

anonymous
sketch #5061

sketch #4948 Snow White by George Lucaz

anonymous

anonymous
sketch #4948 Snow White by George Lucaz

sketch #5169 Iron Man by Hannah Kellogg

anonymous

anonymous
sketch #5169 Iron Man by Hannah Kellogg

sketch #5013 Pursuing Dreams by Mário JBudo

anonymous

anonymous
sketch #5013 Pursuing Dreams by Mário JBudo

sketch #3469

anonymous

anonymous
sketch #3469

sketch #5210 I love you by Saul Mansanares

anonymous

anonymous
sketch #5210 I love you by Saul Mansanares

sketch #5055

anonymous

anonymous
sketch #5055

sketch #5179 Audrey Hepburn by 陳一夫

anonymous

anonymous
sketch #5179 Audrey Hepburn by 陳一夫

tomski如图de⊥abdf⊥ac垂足分别为ef请你从下面三个条件中任选出两个作为已知条件另一个为结论推出一个正确的�题 � ab=ac coloring

如图DE⊥ABDF⊥AC垂足分别为EF请你从下面三个条件中任选出两个作为已知条件另一个为结论推出一个正确的�题 � AB=AC sketch template

如图DE⊥ABDF⊥AC垂足分别为EF请你从下面三个条件中任选出两个作为已知条件另一个为结论推出一个正确的�题 � AB=AC sketch template

如图∠BAC的平分线与BC的垂直平分线相交于点DDE⊥ABDF⊥AC垂足分别为EFAB=11AC=5则BE=3．题目和参考 sketch template

如图AD是 ABC的角平分线DE⊥ABDF⊥AC垂足分别为点E点F连接EF与AD相交于点O下列结论不一定成立的是 A．DE sketch template

如图在 ABC中AB=ACBD=CDDE⊥ABDF⊥AC垂足分别为点EF．求证DE=DF．题目和参考答案——青夏教育精英家教�—— sketch template

如图8 7已知 ABC中D是BC上一点DE⊥ABDF⊥AC垂足分别为EF如果DE=DF∠BAC=60°AD=20 Cm那么 sketch template

如图AD为 ABC的高DE⊥ABDF⊥AC垂足分别为EF试判断∠ADF与∠AEF的大小并说明明理由——青夏教育精英家教�—— sketch template

如图所示若DE⊥ABDF⊥AC则对于∠1和∠2的大小关系下列说法正确的是 A．一定相等B．一定不相等C．当BD=CD时相等D．当DE sketch template

如图 ABC为等边三角形以边BC为直径的半圆与边ABAC分别交于DF两点过点D作DE⊥AC垂足为点E．1判断DE与⊙O的位置 sketch template

如图已知等边 ABC以边BC为直径的圆与ABAC分别交于点D点E．过点D作DF⊥AC垂足为F．1判断DF与⊙O的位置关系并证明 sketch template

已知如图∠BAC的角平分线与BC的垂直平分线DG交于点DDE⊥ABDF⊥AC垂足分别为EF．1试说明BE=CF2若AF sketch template

如图在等腰三角形 ABC中AB=AC=5BC=6D为底边BC上一动点DE⊥ABDF⊥AC垂足分别为EF则DE DF sketch template

如图，已知在 ABC中，AB=AC，D为BC边的中点，过点D作DE⊥AB，DF⊥AC，垂足分别为E，F．（1）求证：DE=DF；（2）若AB sketch template

已知如图CD⊥ABBE⊥AC垂足分别为DEBECD相交于O点 ∠1=∠2图中全等的三角形共有A．1对 B．2对 C．3对 D sketch template

如图在 ABC中∠B=90°AP是∠BAC的平分线PQ⊥AC垂足为Q．下列4个结论�AB=AQ�∠APB=∠APQ�PQ=PB sketch template

如图在等腰直角 ABC中AC=BC∠ACB=90°D为BC的中点DE⊥AB垂足为E过点B作BF∥AC交DE的延长线于点F连CF sketch template

如图已知等边 ABC以边BC为直径的圆与ABAC分别交于点D点E．过点D作DF⊥AC垂足为F．1判断DF与⊙O的位置关系并证明 sketch template

如图四边形ABCD内接于⊙OAB是⊙O的直径AC和BD相交于点E且1求证BC=CD2分别延长ABDC交于点P过点A作 sketch template

如图在 ABC中∠ABC和∠BAC的角平分线交于点OOD⊥BCOE⊥ACOF⊥AB垂足分别为DEF． OC平分∠ACB吗为 sketch template

如图已知四边形ABCD是平行四边形DE⊥ABDF⊥BC垂足分别是EF且DE=DF．1求证 ADE≌ CDF2判断四边形 sketch template

如图所示AB=AC点DE分别在ACAB上AF⊥CEAG⊥BD垂足分别为FGAF=AG下列结论�∠B=∠C�∠EAF=∠ sketch template

如图AB是⊙O的直径BD是⊙O的弦延长BD到点C使DC=BD连结AC过点D作EF⊥AC垂足为E交AB的延长线于点F．1求证 sketch template

如图已知AB=CDDE⊥ACBF⊥AC垂足分别是点EFAE=CF．求证AB∥CD．题目和参考答案——青夏教育精英家教�—— sketch template

如图在半径为2的扇形AOB中∠AOB=90°点C是弧AB上的一个动点OD⊥BCOE⊥AC垂足分别为DE． 1当BC=1时求 sketch template

如图 ABC中AD平分∠BACDG⊥BC且平分BCDE⊥AB于EDF⊥AC于F．1说明BE=CF的理由2如果AB=5AC sketch template

如图已知在 ABC中AB=ACD为BC边的中点过点D作DE⊥ABDF⊥AC垂足分别为EF．1求证 BED≌ CFD2 sketch template

如图在 ABC中AD为∠BAC的平分线DE⊥AB于EDF⊥AC于F ABC面积是18cm2AC=8cmDE=2cm则AB的长是 sketch template

如图三角形ABC中DE∥ACDF∥AB 试问∠A ∠B ∠C＝180°这个结论成立吗若成立试写出推理过程若不成立请说明理由 sketch template

如图点C在以AB为直径的半圆O上延长BC到点D使得CD=BC过点D作DE⊥AB于点E交AC于点F点G为DF的中点连接CGOF sketch template

如图AB是⊙O的直径点C在BA的延长线上直线CD与⊙O相切于点D弦DF⊥AB于点E线段CD=10连接BD1求证∠CDE=2∠ sketch template

角平分线的性质及其逆定理 sketch template

已知如图CD⊥ABBE⊥AC垂足分别为DEBECD相交于O点 ∠1=∠2图中全等的三角形共有A．1对 B．2对 C．3对 D sketch template

如图AB为⊙O的直径点C是⊙O上的一点CD⊥AB垂足为点DCF⊥AF且CF=CDAF交⊙O于点EBE交AC于点M．1求证 sketch template

如图 ABC中∠BAC=60°∠BAC的平分线AD与边BC的垂直平分线MD相交于DDE⊥AB交AB的延长线于EDF⊥AC于F现有 sketch template

如图在 ABC中D是BC的中点DE⊥ABDF⊥AC垂足分别是EFBE=CF 1图中有几对全等的三角形请一一列出 2 sketch template

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