已知如图∠ace是 Abc的一个外角cp平分∠ace且与ba的延长线交于点p．求证∠bac＞∠b．题目和参考答案——青夏教育精英家教�—— Sketch Coloring Page

已知如图∠ace是 Abc的一个外角cp平分∠ace且与ba的延长线交于点p．求证∠bac＞∠b．题目和参考答案——青夏教育精英家教�—— Template

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More Sketches

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

sketch #3244 Winnie the Pooh by Ashok Kumar Chaturvedi

anonymous

anonymous
sketch #3244 Winnie the Pooh by Ashok Kumar Chaturvedi

sketch #1221 səhər
abbasova
gözəi
qız
hamı
məni çox
seve
anam da
çox
sevir

anonymous

anonymous
sketch #1221 səhər abbasova gözəi qız hamı məni çox seve anam da çox sevir

sketch #1255 something

anonymous

anonymous
sketch #1255 something

sketch #3000

anonymous

anonymous
sketch #3000

sketch #4176 Eye by Jawad Kallou

anonymous

anonymous
sketch #4176 Eye by Jawad Kallou

sketch #1328

anonymous

anonymous
sketch #1328

sketch #3708

anonymous

anonymous
sketch #3708

sketch #878

Laura Agapi Asnicar
sketch #878

sketch #5285

anonymous

anonymous
sketch #5285

sketch #3298

Hank Henry Armstrong
sketch #3298

sketch #2025

anonymous

anonymous
sketch #2025

sketch #5061

anonymous

anonymous
sketch #5061

sketch #132

anonymous

anonymous
sketch #132

sketch #5168

anonymous

anonymous
sketch #5168

sketch #5267

anonymous

anonymous
sketch #5267

sketch #1470

Laura Agapi Asnicar
sketch #1470

sketch #4736 Naruto by Wellen Lima

anonymous

anonymous
sketch #4736 Naruto by Wellen Lima

sketch #2678 Portrait by Jocelyn Alejandra Rantul

Jocelyn Alejandra Rantul
sketch #2678 Portrait by Jocelyn Alejandra Rantul

sketch #2598

sketchmaster
sketch #2598

sketch #5198 Sakura Claudio Pose Jester Genso

anonymous

anonymous
sketch #5198 Sakura Claudio Pose Jester Genso

sketch #3683 Hellboy by Loai Issa

anonymous

anonymous
sketch #3683 Hellboy by Loai Issa

sketch #673 Peachy mouse

Rachel Roe
sketch #673 Peachy mouse

sketch #5072

anonymous

anonymous
sketch #5072

sketch #4555 Mario by Alexander Volodimirovich Danilchenko

anonymous

anonymous
sketch #4555 Mario by Alexander Volodimirovich Danilchenko

sketch #4778

anonymous

anonymous
sketch #4778

sketch #2452 Manga by sketchmaster

sketchmaster
sketch #2452 Manga by sketchmaster

sketch #654

anonymous

anonymous
sketch #654

sketch #5051

anonymous

anonymous
sketch #5051

sketch #3659 Portrait by Mari Falcsik

anonymous

anonymous
sketch #3659 Portrait by Mari Falcsik

sketch #4393 ant

anonymous

anonymous
sketch #4393 ant

tomski已知如图∠ace是 abc的一个外角cp平分∠ace且与ba的延长线交于点p．求证∠bac＞∠b．题目和参考答案——青夏教育精英家教�—— coloring

探索三角形的内角与外角平分线1已知如图1在 ABC中两内角平分线BO平分∠ABCCO平分∠ACB若∠A=50°则∠BOC sketch template

PPT 例 1 ：如图 ⊿ ABC 的外角∠ ACD 的平分线 CE 交 BA 的延长线于 E 请说明∠ BAC 与∠ B 有怎样的 sketch template

已知如图 ABC是等腰直角三角形∠BAC=90°过点C作BC的垂线l把一个足够大的三角板的直角顶点放到点A处三角板和 ABC在同一 sketch template

本题12分已知在 ABC中AC=BC∠ACB=90°点D是AB的中点点E是AB边上一点1直线BF垂直于直线CE于点F交CD sketch template

已知如图∠ACE是 ABC的一个外角CP平分∠ACE且与BA的延长线交于点P．求证∠BAC＞∠B． 题目和参考答案——青夏教育精英家教�—— sketch template

�如图1已知∠A=12∠ABC=12∠CBD平分∠ABC求∠BDC的度数．�如图2在 ABC中CD是∠ACB的平分线∠A=80 sketch template

1如图BDCD分别是 ABC的两个外角∠CBE∠BCF 的平分线试探索∠BDC与∠A之间的数量关系． 2如图BD为 ABC的 sketch template

中考数学压轴题中的辅助线技巧（附：初中数学常用辅助线总结）知乎 sketch template

已知如图�BPCP分别是 ABC的外角∠CBD∠BCE的角平分线BQCQ分别是∠PBC∠PCB的角平分线BMCN分别是∠PBD sketch template

如图在 ABC中∠A=90°AB=ACD 是BC的中点点EF分别是ABAC上的点并且BE=AF1猜想并写出AD与BC所满足 sketch template

1如图1BOCO分别是 ABC中∠ABC和∠ACB的平分线则∠BOC与∠A的关系是90° 12∠A90° 12∠A2如图2 sketch template

初中数学，掌握好四点共圆的性质可以使复杂的题目变得简单易解知乎 sketch template

题目已知CP是等边 ABC的外角∠ACE的平分线点D在边BC上以D为顶点DA为一条边作∠ADF=60°另一边交射线CP于F1 sketch template

$1如图1三角形ABC中BO平分∠ABCCO平分∠ACB则∠BOC与∠A的数量关系是∠BOC=90° $frac{1}{2}$∠A sketch template$

已知如图在 ABC中CH是外角∠ACD的平分线BH是∠ABC的平分线 求证∠A= 2∠H 证明 ∵∠ACD是 ABC的一个外角 sketch template

已知如图 ABC是等腰直角三角形∠C为直角．1画出以A为旋转中心逆时针旋转45°后的图形．2指出面ABC三边的对应线段． 题目和 sketch template

如图1 2 22已知 ABC≌ DEF对应边AB=DE 对应角∠B=∠DEF ——青夏教育精英家教�—— sketch template

如图，已知以 ABC的边AB、AC分别�外作等腰Rt ABD与等腰Rt ACE，其中∠BAD=∠CAE=90°，连接BE、CD，BE和CD相交 sketch template

如图∠ACD是 ABC的外角∠ABC的平分线与∠ACD的平分线交于点A1∠A1BC的平分线与∠A1CD的平分线交于点A2 ∠An sketch template

如图BOCO分别是 ABC两个外角∠CBD和∠BCE的平分线则∠BOC与∠A的关系是∠BOC=90° 12∠A∠BOC=90° 12∠A sketch template

如图已知 ABC的内角∠A=α°分别作内角∠ABC与外角∠ACD的平分线两条平分线交于点A1得∠A1∠A1BC和∠A1CD的平分线交 sketch template

已知：如图，BP，CP是 ABC的外角平分线，证明：点P一定在∠BAC的角平分线上．百度教育 sketch template

如图已知AB是⊙O的直径点CD在⊙O上∠ABC=50°则∠D为 A30°B40°C50°D60° 题目和参考答案 sketch template

已知如图PBPC分别是 ABC的外角平分线PM⊥ABPN⊥ACMN分别为垂足．求证1PM=PN2PA平分∠MAN sketch template

如图点E是∠ABC的平分线与 ABC的外角∠ACD的平分线CE的交点∠A=64°你能求出∠E的度数吗 题目和参考答案——青夏教育精英家教�—— sketch template

1如图1BOCO分别是 ABC中∠ABC和∠ACB的平分线则∠BOC与∠A的关系是90° 12∠A90° 12∠A2如图2 sketch template

如图� ABC中ABC的角平分线与ACB的外角ACD的平分线交于A1 1当A为70°时则 ∵∠ACD ∠ABD=∠ ∴∠ACD sketch template

如图，在四边形ABCD中，对角线AC与BD交于点O，已知OA =OC，OB=OD，过点O作EF⊥ BD，分别交AB、DC于点E，F，连接DE sketch template

如图已知DE∥BCBD是∠ABC的平分线∠EDC＝109° ∠ABC＝50°则∠A 度∠BDC＝度——青夏教育精英家教�—— sketch template

$1如图1三角形ABC中BO平分∠ABCCO平分∠ACB则∠BOC与∠A的数量关系是∠BOC=90° $frac{1}{2}$∠A sketch template$

如图BD是 ABC的外角∠ABP的角平分线DA=DCDE⊥BP于点E若AB=5BC=3则BE的长为 A．2B．15C．1D sketch template

26．如图已知AD是 ABC的角平分线在不添加任何辅助线的前提下要使 AED≌ AFD需添加一个条件是 并给予证明．——青夏教育 sketch template

如图在 ABC中∠C=2∠ABD是AC边上的高BE是∠ABC的平分线且∠DBE=18°．求 ABC的各内角的大小． 题目和参考答案 sketch template

如图 ABC中AB=AC．∠A=36°AB的中垂线DE交AC于D交AB于E下述结论AD=BD=BC3 BDC的�长等于AB sketch template

如图 ABC中已知AB=AC DEF是 ABC的内接正三角形α=∠BDFβ=∠CEDγ=∠AFE则用βγ表示α的关系式是 sketch template

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